Correct alternative: a) The yellow color is dominant and the green color is recessive.
As observed in his experiment, Mendel identified that two factors determine the color of peas: a dominant for the yellow color and a recessive that expressed the green.
The dominant gene is the one that determines a characteristic, even when in simple doses in the genotypes. The recessive gene is only expressed when in double dose, because in the presence of a dominant, it becomes inactive.
in which part of a plant would these cells be found
Answer:
These cells are usually found in all plant roots and mainly involved in providing support to the plants.
Explanation:
What is cyanosis? Describe several physical and/or chemical factors that might create cyanosis in a patient and how cyanosis can be reversed.
Cyanosis is characterized by bluish discoloration of skin and mucous membranes. Cyanosis is usually a sign of an underlying condition rather than being a disease in itself. The most common symptoms of the condition are bluish discoloration of the lips, fingers, and toes.
Cyanosis can be evident at birth due to the presence of a heart malformation that permits blood that is not fully oxygenated to enter the arterial circulation. Cyanosis can also appear at any time later in life and often accompanies conditions in which lung function is compromised (resulting in an inability to fully oxygenate the blood) or conditions in which the heart's pumping function is compromised. The presence of abnormal forms of hemoglobin or other abnormalities of the blood cells can also sometimes cause cyanosis. The medical term for lowered oxygen level is hypoxia, the term anoxia refers to the absence of oxygen. Pseudo cyanosis is the appearance of cyanosis that is not associated with reduced oxygen delivery to the tissues. Most causes are related to the ingestion of metals (such as silver or lead) or drugs/toxins.
1. Only ERCs are not transmitted to daughter cells during replicative aging
a. True
b. False
2 . Old mother cells have a fragmented nucleolus because of highly accumulated ERCS
a. True
b. False
Explain please
The statement that only ERCs are not transmitted to daughter cells during replicative aging is False.
The statement that old mother cells have a fragmented nucleolus because of highly accumulated ERCS is False.
What is replicative aging?Both ERCs (Extrachromosomal rDNA Circles) and nuclear DNA mutations are not transmitted to daughter cells during replicative aging.
ERCs are circular DNA molecules that accumulate in the mitochondria of cells during aging and can cause mitochondrial dysfunction. Mitochondria are only inherited from the mother cell during cell division, hence ERCs are not transmitted to the daughter cells during replicative aging.
Old mother cells have a fragmented nucleolus due to defects in the nucleolar organization rather than the accumulation of ERCs.
The nucleolus is a specialized structure within the nucleus responsible for ribosome biogenesis. During aging, the nucleolus becomes fragmented and disorganized, which can affect the production of new ribosomes and contribute to cellular dysfunction.
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Which of the following is the best example of heating by conduction on Earth
A. light from the sun, strikes the surface of Earth and heat it up.
B. Air is heated one a comes into contact with the hot surface of Earth.
C. Water warm at the equator carries he went in flows to the North and South Poles.
D. heat energy travels across empty spaces from the Sun to Earth.
Answer:
The answer is A
Explanation:
It wouldn't be B because it uses convection (Heat travels through a liquid or gas). In Bs case the heat travels through air.
It wouldn't be C because it also uses convection (Heat travels through a liquid or gas). Opposite from B the heat travels through liquid.
Finally it wouldn't be D because it travels through empty space, which uses electromagnetic radiation (Radiation is the transfer of heat energy through space). The heat travels through space not by direct contact.
:
The light makes contact with Earth. Usually Conduction is through Direct Contact, but here it is light touching Earth using radiation. So, here you see two types of heat transfer radiation and conduction.
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Remember !!! Have a good rest of your day, and I hope you do good on your Test!
Wildebeests: A Keystone Species Use the data provided to answer the question below in CER format. Make sure to use at least two pieces of evidence to claim and provide reasoning. FIRE! Fire is actually an important component of savanna ecosystems. Fire kills young trees and seedlings, reducing the number of big adult trees that grow over time. Since trees compete with grasses for light and soil moisture, fire actually helps the grasses and keeps the savannas open. Dr. Rico Holdo, a professor at the University of Missouri, and his colleagues modeled and wrote about the interactions of fire, rain, grasses, trees, and the various animals in the Serengeti. The interactions get complicated quickly, but I’ll try to give you a run-down of how they see fire acting in this ecosystem. First, as I’ve mentioned, fire suppresses trees and encourages grasses. If you have both fire and rain, but no animals, then something interesting happens: the rain encourages the trees, but it encourages the grasses, too. As the grasses get taller, there is more fuel for fire, and the fires become more widespread and more damaging. These fiercer fires really hurt the trees – in fact, the damage from fires (because of more rain) is more important than the extra boost the trees get directly from the rain. So more rain actually means fewer trees. With me so far? We’re now going to throw animals into the mix – well, at least some of the animals. Let’s talk about the grazers. The grazers eat the grass, and this reduces the fuel available to fire. If you have a lot of grazers, like we do in the Serengeti, the grass height is reduced a lot. That means fewer fires and that rain once again helps the trees. Further, many of the grazers are migratory and move around the landscape a lot. They don’t eat the savanna grasses in a neat, tidy, organized way. Instead, they create a patchy mosaic of grass heights, and with those different grass heights come different susceptibility of patches of grass to burn. With rain and fire and grazers, we now have a landscape of grasses of different lengths, patchy fires, and some areas dense with trees and some areas with fewer trees. All that variation means more diversity – more diversity of the grasses, plants, and trees, and more diversity of the animals that rely on them. All that diversity is due, in part, to fire. A Keystone species is a plant or animal that plays an important and unique role in how the ecosystem functions without the key stone species to ecosystem would be very different. One scientist identified Keystone specie it to look as how changes to their abundance (number ) affect other organisms. Often, there are many indirect effects of changes to ecosystems. Claim The wildebeest in the Serengeti are a keystone species. What evidence supports this claim? (Make sure to provide reasoning)
The data that supports this idea is wildebeest grazing behaviours assist reduce grass height and prevent fire spread.
What reasons are behind wildebeest in the Serengeti?Evidence 1: Wildebeest's grazing behaviour lowers grass height and inhibits the spread of fires. As indicated in the article, grazers like wildebeest eat the grass and minimise the fuel available for flames, which prevents fires from spreading and destroying the trees.
Evidence 2: Wildebeest migration patterns can result in a patchy mosaic of grass heights that influence how susceptible grass patches are to burning. According to the article, wildebeest migrate and produce a patchy mosaic of grass heights. This also means that some areas of the savanna are dense with more trees, while others have fewer trees.
As a result of their grazing practises and migration patterns, which support the preservation of a diversified ecosystem, wildebeest are a keystone species in the Serengeti. In the absence of wildebeest, grass height would rise, resulting in more frequent and destructive fires. The ecosystem's diversity would decline and the effect on the trees would be harmful.
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A. A study has concluded that the toxic chemicals do not affect the urchins.
B. Urchin spines have no effect on their movement.
C. Urchins with short spines are extremely vulnerable to predators.
D. Urchins with long spines need to eat less kelp in order to survive.
A premise that could be used to back up the conclusion that urchins are undergoing natural selection would be that urchins with short spines are extremely vulnerable to predators. Option C.
Natural selectionUrchins with short spines are extremely vulnerable to predators.
This is because natural selection is a process in which organisms with certain traits are better able to survive and reproduce than those without those traits, and those traits are then passed on to future generations.
In this case, the vulnerability of urchins with short spines to predators means that they are less likely to survive and reproduce, while those with longer spines are more likely to do so.
Therefore, the trait of long spines is being naturally selected for in the urchin population. The other options do not provide evidence for natural selection.
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Much like auxin in a stem causes it to grow upward, the auxin in which structure makes it grow downward?
Responses
flowers
roots
gametes
leaves
Answer :Roots
Explanation: Gravitropism is based on the redistribution of auxin in the elongation zone of the developing root. If the root is not growing vertically downward, then auxin accumulates in the lower parts of the root, inhibiting cell elongation and causing the root to bend in the direction of gravity.
Which type of macromolecule contains phosphorus, and where in the molecule are phosphorus atoms located
Answer:
Nucleic acids, which include DNA (deoxyribonucleic acid) and RNA (ribonucleic acid), are the macromolecules that contain phosphorus. Phosphorus is an important component of the nucleotides that make up nucleic acids.
In DNA, the phosphate group is located on the 5' carbon of the sugar molecule, which is connected to the nucleotide base via a phosphodiester bond. The phosphate groups of adjacent nucleotides form the backbone of the DNA molecule.
In RNA, the phosphate group is similarly located on the 5' carbon of the sugar molecule, but RNA has a ribose sugar instead of a deoxyribose sugar. RNA also typically contains single-stranded nucleotides, rather than the double-stranded structure of DNA.
Overall, phosphorus plays a critical role in the structure and function of nucleic acids, which are responsible for storing and transmitting genetic information.
name four characteristics that annelids and flatworms have in common
The characteristics that annelids share with flatworms and roundworms are as follows:
All the organisms have bilateral symmetry.All the organisms are triploblastic.All have aquatic and terrestrial habitats.All are invertebrates.Plant and animal cells
What are the differences between plant and animal cells?
Plant cells have a cell wall, chloroplasts, and a large central vacuole, while animal cells have lysosomes and centrosomes.
Plant cells are eukaryotic cells that contain a cell wall, chloroplasts, and an enormous focal vacuole, while creature cells come up short on cell wall, have little or no vacuoles, and don't contain chloroplasts. The cell wall in plant cells gives extra security and backing, while the enormous focal vacuole stores water and supplements. Chloroplasts in plant cells empower them to create their own food through photosynthesis. Creature cells depend on devouring different living beings for food. Also, creature cells commonly have lysosomes for squander the executives, while plant cells use vacuoles for capacity and reusing. Both plant and creature cells have a core, mitochondria, and different organelles liable for cell capabilities.
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describe the distance between objects in both the solar system and the universe
Explanation:
In the Solar System, the distance between objects is measured in astronomical units (AU), which is the average distance between the Earth and the Sun. For example, the distance between the Sun and the furthest planet in our Solar System, Neptune, is approximately 30 AU. This means that it takes light from the Sun about 4 hours to reach Neptune. The distance between objects in the Solar System is relatively small compared to the distances between objects in the Universe.
In the Universe, the distances between objects are measured in light-years (ly), which is the distance that light travels in one year. The nearest star to our Solar System, Proxima Centauri, is approximately 4.2 ly away. This means that it takes light from Proxima Centauri over 4 years to reach us on Earth. The most distant known galaxy in the Universe, GN-z11, is approximately 13.4 billion ly away. This means that the light we see from GN-z11 today was emitted over 13 billion years ago, when the Universe was only about 400 million years old.
To put these distances into perspective, if we were to scale down the size of the Solar System so that the Sun was the size of a grapefruit, the Earth would be the size of a peppercorn located about 15 meters away. The nearest star, Proxima Centauri, would be located over 4,000 kilometers away.
The sections of DNA used in DNA fingerprinting are all from genes of major important in the human body true or false 
Answer: True
Explanation:
Name
KEV
Nar
EVOLUTION THINKET 9
Imagine a world
where dinosaurs still
Roam the Earth.
Explain In 3 quality
paragraphs how their
existence would
affect your life today.
"quality paragraph is 4-5 sentences
Me
P
--
Answer:
If dinosaurs still roamed the Earth today, my life would be drastically different. To begin with, my daily commute would look a lot different. Instead of cars, trains, and buses, I would likely have to hop on the back of a triceratops or a pterodactyl to get around. I would also have to make sure that I am aware of my surroundings at all times because I could easily become a snack for a hungry T-Rex.
On top of that, my living situation would be quite different. Instead of living in a typical house, I would have to live in a treehouse to avoid being eaten. Furthermore, I would have to be prepared to adapt to my environment as dinosaurs would be a constant presence in my everyday life.
In terms of my diet, it would be quite different as well. Instead of eating burgers and fries, I would have to find ways to hunt dinosaurs in order to have a balanced meal. This would require a lot of skill and would be a huge challenge for me. Additionally, I would have to be careful to only hunt certain species of dinosaurs as some could be very dangerous.
Overall, my life would look very different if dinosaurs still roamed the Earth today. From my transportation to my diet, almost everything in my life would need to be adjusted in order to survive in this new environment.
What amount of soil is best for both Iris Virginica and Geranium Maculatum?
Answer:
Explanation:
Sure, I'd be happy to explain more about the soil requirements for Iris Virginica and Geranium Maculatum.
Iris Virginica, also known as Southern Blue Flag, is a perennial plant that is native to North America. It typically grows in wetland areas and therefore prefers moist soil. In terms of acidity, it prefers soil with a pH between 5.0 to 6.5, which is considered slightly acidic to moderately acidic. The pH level of the soil can be determined using a soil testing kit or by sending a soil sample to a laboratory for analysis.
To create the ideal soil conditions for Iris Virginica, it's recommended to use a soil mix that includes peat moss or well-rotted compost. Peat moss can help to retain moisture in the soil, while compost can provide essential nutrients. Additionally, adding perlite or sand can improve drainage and prevent waterlogging, which can be harmful to Iris Virginica. The depth of soil required for planting Iris Virginica is typically around 6 to 8 inches.
Geranium Maculatum, also known as Wild Geranium or Spotted Geranium, is a native perennial plant that prefers well-draining soil. It is typically found in woodland areas and prefers slightly acidic to neutral soil with a pH between 5.5 to 7.0. This means that the soil should be slightly acidic but not too much, with a pH closer to neutral being ideal.
To create the ideal soil conditions for Geranium Maculatum, it's recommended to use a soil mix that includes compost or well-rotted manure, which can provide essential nutrients to the plant. Adding sand or perlite to the soil mix can improve drainage and prevent waterlogging, which can be harmful to the plant. The depth of soil required for planting Geranium Maculatum is typically around 4 to 6 inches.
In summary, the soil requirements for Iris Virginica and Geranium Maculatum are different, with Iris Virginica preferring moist, acidic soil and Geranium Maculatum preferring well-draining, slightly acidic to neutral soil. By providing the appropriate soil conditions for each plant, you can help ensure their optimal growth and health.
which of the following is not a common way that crop plants are genetically modified
a to make them resistant to certain herbicides
b to make them resistant to certain diseases
c to produce a toxin that kill some insects
d to make them glow
D. to make them glow is not a common way that crop plants are genetically modified.
What is Genetic modification?Genetic modification (GM) is a process in which the genetic material (DNA) of an organism, including crop plants, is altered in a way that is not possible through traditional breeding methods. In crop plants, genetic modification can be used to introduce new genes or modify existing genes to enhance certain desirable traits, such as resistance to herbicides or diseases, improved nutritional value, or increased yield.
Genetic modification is typically done to introduce new or modified genes into the plant's DNA to enhance certain traits, such as resistance to herbicides or diseases, or to produce a toxin that can kill some insects.
However, there are no known instances where crop plants have been genetically modified to produce a glow.
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Based on the learner a, b and c ,choose one of the certificate and identify two courses you would follow with such a certificate
Undergraduate and graduate certificate programmes are the two main categories. Students with a high school diploma or a GED can enrol in undergraduate certificate programmes.
What types of school certifications are there?Educational certificates come in a variety of forms, depending on their intended use, including marksheets, legitimate certificates, provisional certificates, gap certificates, backlog certificates, migration certificates, character certificates, and certificates for study, among others.
Why are certificate programmes essential?A professional certificate programme has many advantages, one of which is that it boosts your chances of getting promoted or paid more at your current company while also creating new work options. As a result, upgrading one's skills is advantageous for both working professionals and all recent grads.
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13. Marcus looks at the rock layers shown in the picture. Write one letter in each blank to correctly complete the sentences. Some letters may be used more than once.
Answer: (Top to bottom) Older, The Same, The Same
Explanation:
Quarter 1 Summative Assessment
Answer: ik this might not help but you have to put the specific question you want answered in or no one can help you
Explanation:
What is a petrified fossil and how are they formed?
help me plss
Answer:
Petrification (petros means stone) occurs when the organic matter is completely replaced by minerals and the fossil is turned to stone. This generally occurs by filling the pores of the tissue, and inter and intra cellular spaces with minerals, then dissolving the organic matter and replacing it with minerals.
Please guys tomorrow I have exams help me
The correct statement from the options about protons, electrons, and neutrons are:
TrueTrueFalseFalseFalseD. None (The idea that matter is 'continuous' was proposed by Aristotle)
D. Democritus
B. Neutron and proton
C. Mass number
What are protons, electrons, and neutrons?Protons, electrons, and neutrons are subatomic particles that make up atoms.
Protons are positively charged particles located in the nucleus (center) of an atom. The number of protons in the nucleus determines the element that the atom represents. For example, all carbon atoms have six protons in their nucleus, while all hydrogen atoms have one proton.
Electrons are negatively charged particles that orbit around the nucleus of an atom. Electrons are much smaller than protons and neutrons and are responsible for the chemical properties of an atom. The number of electrons in an atom is typically equal to the number of protons, ensuring that the atom has no overall electric charge.
Neutrons are neutral particles located in the nucleus of an atom, with a mass similar to that of protons. Neutrons do not carry a charge, but they do affect the stability and mass of an atom. The number of neutrons in an atom can vary, resulting in different isotopes of the same element with different masses.
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What adaptation do Judy and her paean have that help them run from predators?
Answer: Judy and her parents have an adaptation that helps them run from predators coming; this adaptation is called flight. Flight is an innate ability to fly away from danger using wings or other means.
What is adaptation?
Adaptation is the change process in an organism that helps it better survive in its environment. This can include behavior, physiology, and even genetic changes that allow an organism to better survive and reproduce. For example, a bird may migrate to a warmer place in the winter to escape the cold temperatures, or a plant may produce thorns to protect itself from being eaten by predators. Adaptation is an important factor in the survival of a species, as it allows populations to adjust to new environmental conditions. As environmental conditions change over time, adaptation can help species adjust to survive in the new conditions.
Flight is a common adaptation used by many animals, including Judy and her parents. Flight allows them to quickly fly away from predators to avoid being hurt or killed. They can fly away from danger in a matter of seconds, giving them a better chance of survival. Flight is an important adaptation that helps Judy and her parents stay safe and out of harm's way.
Judy and her parents have an adaptation that helps them run from predators coming; this adaptation is called flight. Flight is an innate ability to fly away from danger using wings or other means.
What is adaptation?
Adaptation is the change process in an organism that helps it better survive in its environment. This can include behavior, physiology, and even genetic changes that allow an organism to better survive and reproduce. For example, a bird may migrate to a warmer place in the winter to escape the cold temperatures, or a plant may produce thorns to protect itself from being eaten by predators. Adaptation is an important factor in the survival of a species, as it allows populations to adjust to new environmental conditions. As environmental conditions change over time, adaptation can help species adjust to survive in the new conditions.
Flight is a common adaptation used by many animals, including Judy and her parents. Flight allows them to quickly fly away from predators to avoid being hurt or killed. They can fly away from danger in a matter of seconds, giving them a better chance of survival. Flight is an important adaptation that helps Judy and her parents stay safe and out of harm's way.
How does a day that is not windy affect the production of electricity?
A. It doesn't have an effect. The wind is endless.
B. Houses or businesses would not be able to use as much electricity on that day.
C. The windmill would produce electricity anyway because it doesn't need the wind to make it turn.
D. Wind cannot be stored. Alternative power sources would have to be used.
Answer:
a i think
Explanation:
5. While there are five muscle groups most commonly targeted in resistance training, how many muscle groups are usually targeted by one exercise?
O A. One or two
B. Four or five
OC. Two or three
D. Three or four
Answer: C. Two or three
Explanation:
I need help with a question, can someone solve it for me?
Why does the earth experience high tides?
A. High tides occur because the comet Neowise passed by Earth
B.The earth experiences high tides because the gravitational force of the moon attracts the water and solid earth, pulling them closer to the moon
C.High tides occur because Jupiter is in alignment with Saturn
D.This causes areas of water that bulge away from the earth.
Answer:
B.The earth experiences high tides because the gravitational force of the moon attracts the water and solid earth, pulling them closer to the moon
Explanation:
Please I need help this is For A DRAMA class
For your week three discussion question use the lists of Don’t and Be Careful listed above and pick three moments/scenes from Some Like it Hot (1959) that would have caused an issue in violation of the Hays Code. Your answers should include and will be graded on:
Writing Competency
Document should contain 250 words for the complete assignment.
A detailed example of each of those 3 moments/scenes listing characters and scene involved.
Explain how each particular moment/scene you have chosen would have violated the Hays Code. Be specific and give an example of which Code number would have been involved.
Please do not plagiarize. Remember the Academic Dishonesty section discussed in the syllabus!
The document regarding the Hays Code is given below.
The rules in the Hays CodeDon't:
"Lower the moral standards of those who see it.""Use offensive language.""Imply any sexual deviancy.""Include excessive or overly passionate kissing.""Depict nudity."
Be Careful:
Three moments/scenes from Some Like it Hot that would have gone against the Hays Code are:
The opening scene where Joe (Tony Curtis) and Jerry (Jack Lemmon) witness a gang massacre while disguised as musicians. The scene features excessive violence, including blood and gunfire, which would have been seen as inappropriate by the Code's emphasis on morality and decency.
Code number: General Principles - 1. No picture shall be produced that will lower the moral standards of those who see it. Therefore, the audience should never be encouraged to sympathize with crime, wrongdoing, evil, or sin.
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Creativity helps scientists (4 points)
use appropriate methods to date rocks.
use personal bias to select methods to date rocks.
prove that scientific methods are unchangeable.
prove that scientific explanations are unchangeable.
Correct answer is not B. Think next time will choose A, but what is correct?
The correct answer is Creativity helps scientists use appropriate methods to date rocks.
Why the scientists need to be creative while researching?Scientists often need to be creative in their approach to research problems, including the dating of rocks. They may need to develop new techniques or adapt existing methods to fit specific research questions or situations. Creativity can also help scientists identify new areas of inquiry or make connections between seemingly disparate fields of study.
However, personal bias should not play a role in selecting methods to date rocks, as this could lead to inaccurate or misleading results. It is important for scientists to remain objective and follow established scientific protocols when conducting research.
It is also worth noting that scientific methods and explanations are not necessarily unchangeable. Science is a constantly evolving field, and new discoveries or advancements in technology may lead to changes in the way research is conducted or how phenomena are explained. This is why scientific knowledge is always subject to revision and refinement as new evidence comes to light.
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What are the financial costs of climate change, and how can we lessen them?
Explanation:
Climate change has various economic costs that affect different sectors of the economy. These costs include physical damages from extreme weather events, loss of biodiversity and ecosystem services, reduced agricultural productivity, increased health care costs, and rising sea levels.
The financial costs of climate change are likely to increase significantly in the coming decades, with estimates indicating that the global economy could lose trillions of dollars by 2100. However, these costs are difficult to quantify precisely because they depend on a wide range of factors, including the severity of climate change impacts, the speed of mitigation efforts, and the adaptation measures taken.
To lessen the financial costs of climate change, it is essential to reduce greenhouse gas emissions and implement adaptation measures. Here are some ways to achieve this:
Implement carbon pricing: By putting a price on carbon emissions, we can encourage businesses and individuals to reduce their carbon footprint and transition to cleaner energy sources.
Invest in renewable energy: Investing in renewable energy sources, such as wind, solar, and geothermal power, can reduce our dependence on fossil fuels and help mitigate climate change.
Encourage energy efficiency: Improving energy efficiency in buildings, transportation, and industry can significantly reduce greenhouse gas emissions.
Implement adaptation measures: Building more resilient infrastructure, such as sea walls and flood barriers, can help protect communities from the impacts of climate change.
Promote sustainable land use: Sustainable land use practices, such as reforestation and sustainable agriculture, can help reduce greenhouse gas emissions and enhance carbon sequestration.
Encourage international cooperation: Climate change is a global issue that requires a collective effort to address. Encouraging international cooperation and collaboration can help reduce the financial costs of climate change and mitigate its impacts.
By implementing these measures, we can work towards mitigating the financial costs of climate change while protecting the environment and ensuring a sustainable future for generations to come.
given the following approximate weights for the following proteins
Myh6: 228 kDa
Myc tag: 2kDa
NLS: 2 kDa
SpCas9: 160 kDa
TdTomato: 56 kDa
bGH: 25 kDa
what is the expected moleculer weight for the Cas9 fusion protein shown on the western blot?
The expected molecular weight for the Cas9 fusion protein shown on the western blot is 392kDa.
Given the approximate weights for the following proteins as:
Myh6: 228 kDa
Myc tag: 2kDa
NLS: 2 kDa
SpCas9: 160 kDa
TdTomato: 56 kDa
bGH: 25 kDa
From the diagram we can see that the proteins Myh6, is fused with protein SpCas9 in presence of other proteins such as Myc tag and NLS to produce a TdTomato as product. The molecular weight of the Cas9 fusion protein will depend on the number and type of fusion components present within the protein.
The molecular weight of SpCas9 is 160 kDa, and the molecular weight of the Myc tag and NLS is 2 kDa each, the weight of Myh6 is 228 kDa.
Then the expected molecular weight for the Cas9 fusion protein shown on the western blot would be = 228 + 2 + 2 + 160 = 392kDa
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The number of chromosomes found in human somatic cells is 46, what is the human
haploid number?
Answer:
Explanation:
La cellule humaine comprend 46 chromosomes, porteurs du code génétique de l'espèce humaine. Le nombre de chromosomes est de 46 chez l'homme : 22 paires d'autosomes et 2 chromosomes sexuels ou gonosomes, XX chez la femme et XY chez l'homme.
Chromosomes present in the human body are in a pair of 23. These 23 pairs of chromosomes are also divided into two sub-division called autosome and sex chromosome. The autosome is 22 in pair and the sex chromosome are 1 in pair.
Autosomes help in inheriting the characteristics from parent to offspring, whereas sex chromosome help in determining the sex of the offspring. Therefore, the human haploid number is n = 23, haploid number refers to the number of chromosomes present in a single set that is denoted by n. Each of these chromosome pairs exists with diploid cells.
Hence, humans are diploid containing 46 chromosomes that divide to half forming 23 pair of chromosomes.
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There is evidence that eukaryotic cells would have evolved from a symbiosis (organisms that help each other), that is, primitive bacteria would have been phagocytosed by an ancestral eukaryotic cell and both would have lived well as collaborators. Based on this information, write a text summarizing how, supposedly, animal and plant eukaryotic cells would have arisen. In the text, the following keywords should appear: unicellular, cell wall, oxygen in the atmosphere, heterotrophic and anaerobic prokaryotic, photosynthetic bacteria, endobiosis, mitochondria, chloroplasts
According to the endosymbiotic theory, eukaryotic animal and plant cells arose from the fusion of a heterotrophic and anaerobic prokaryotic single cell with photosynthetic bacteria in a process called symbiosis.
Endosymbiotic TheoryIn this theory, the phagocytosed bacteria would have become the mitochondria, responsible for cellular respiration, while the photosynthetic bacteria would have become the chloroplast, responsible for photosynthesis.
With the presence of these organelles, eukaryotic cells began to have greater energy efficiency and became more complex, developing organelles such as the endoplasmic reticulum and the Golgi complex. The appearance of oxygen in the atmosphere allowed the formation of the ozone layer, which allowed the emergence of multicellular organisms with cell walls, such as plants.