If a DNA molecule is 10% Adenine (A), 40% of the DNA molecule
is made up of Cytosine (C)
The DNA composition ratio can be calculated by Chargaff's rule which states that, Guanine and cytosine should both be present in equal amounts in the DNA of every species and organism, while adenine and thymine should both be present in equal amounts. Additionally, there should be a 1:1 stoichiometric ratio between the purine and pyrimidine bases (A+G=T+C).
As per the Question,
If, A=10 then T=10 because A always pair with T. If T=10, then G=40, and then C=40. The total sum is equal to 100 or A + G (10 + 40) = T + C (10 + 40). Which ratio is equal to 1:1.
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45. The solubility value of table salt at 251C is 37.7 grams per 100 milliliters of water. If you add 60 grams of salt to
200 milliliters of water at 251C, what do you expect will happen? (1 point)
O The solution becomes saturated.
The solution becomes supersaturated.
Only 37.7 grams of salt dissolve.
The salt dissolves.
Answer:
The salt Dissolves.
Explanation:
See the differences between saturated, unsaturated and super saturated is that
a) Unsaturated is that the amount of solute still hasn't reached its max
b) saturated is that the amount of solute has reached its max
C) Super saturated is that the amound exceeded the maximum amount
From the givens, I can see that it requires 37.7 grams per 100 millimeters
it means it requires 75.4 gram of Salt to make the solution SATURATED per 200 millimeters.
Any amount below this one, the 75.4 gram, will make it just dissolves (Unsaturated). Any amount more than the one we've said so far would be supersaturated.
Please let me know if you've already gotten what i mean. If not please let me know.
Which of the following statement is NOT true about enzymes
Answer:
Which of the following statement is NOT true about enzymes:
Explanation:
C. Enzyme activity is affected by temperature
Enzymes are not affected by temperature unless very, very high heat is involved and everything else is true.
There are 300 marbles in a jar, and 42 of
those marbles are blue. What percentage
of the marbles are blue?
Answer:
14%
Explanation
To find a percentage of an object you would need to divide the total amount and the amount of that specific object. 42/300 is 0.14. Then to get the actual percent you multiply by 100.
the percentage of blue marbles is 14
When listing the levels of organization in organisms from least complex to most complex, which level is just below
organs in complexity?
when listing the levels of organization in organisms from least complex to most complex, the level that is just below organs is tissue.
The levels of organization are as follows:
Cells < Tissues < Organ < Organ system < Organism
Cell is the smallest independently working unit. A group of cells which have a similar function group together to form a tissue. There are many types of tissues like connective tissue, epithelial tissues etc. Tissues acts as a binder and connects, supports and protects the body system. A group of differently functioning tissues come together to form an organ, and unlike tissues organs have specific functions. Different organs together forms an organ system. A single organ system will be engaged to a specific task. For example: circulatory system helps in transporting all the vital nutrient and minerals to different parts of the body as well as remove the toxins.
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Sam is the oldest in his group of friends. Amira is five years younger than Sam, Lea is between Sam and Amira in age, and Marcus is the youngest. Arrange the names of the friends in order from youngest to oldest.
Answer:
Sam is oldest in their group,Lea is younger than sam,Amira is younger than Lea and Marcus is the youngest in their group.
Explanation:
Because,Sam Is the oldest and Marcus is the youngest
Does saccharomyces have a membrane bound nuclei?
Answer:
Saccharomyces are EUKARYOTES.Every eukaryotic organisms possesses a membrane bond nucleus.Nucleus is surrounded by inner membrane (Non-ER) & outer membrane (ER).Extra Information:
It is a non-motile organism.It reproduces by budding.It can be grow as haploid (n) or diploid (2n).Yes, Saccharomyces has membrane-bound nuclei because they are eukaryote.
Saccharomyces yeast, like other eukaryotic species, has membrane-bound nuclei. Yeast cells have a genuine nucleus inside a double-membrane nuclear envelope. DNA, organised into chromosomes, is in the nucleus.
Eukaryotic cells, unlike bacteria, have membrane-bound nuclei. Eukaryotic cells may safeguard their genetic material and regulate gene expression via a membrane-bound nucleus.
A membrane-bound nucleus allows Saccharomyces yeast cells to perform sophisticated cellular activities including DNA replication, transcription, and translation, which are essential for growth, reproduction, and metabolic functions. Therefore, yes saccharomyces has membrane-bound nuclei because they are eukaryote.
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Match each step of the learning process with the correct part of the scenario.
learn
experience
review
apply
Elle studies her notes at home.
Elle explains photosynthesis without using
her notes.
Elle's teacher explains the process of
photosynthesis.
Elle correctly labels the stages of
photosynthesis on her exam.
The steps of the learning process with the correct part of the scenario are listed below.
What is learning process?The learning process encompasses various components which interact with each other to bring about learning.
These components Include the following:
attention, memory, language, processing and organizing , graphomotor (writing) and higher order thinking.Attention is the learning component of the process where the student actively listens to the teacher to obtain knowledge about a subject.
Processing and organizing is the review part of the process where the student makes necessary efforts to learn more about the subject matter.
Graphomotor (writing) is the ability of the student to apply the knowledge they have in an examination through writing.
Higher order thinking is the ability of the student to explain what they have learnt without assistance.
Therefore, the learning process with the correct order scenario include the following:
Elle's teacher explains the process of photosynthesis. ( learn)Elle studies her notes at home. (review)Elle correctly labels the stages of photosynthesis on her exam.(apply)Elle explains photosynthesis without using her notes. (experience).Learn more about learning process here:
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Which of the following is an example of a chemical change?
Breaking glass
Boiling water
Baking a cake
Holding two magnets together
Answer:
Baking a cake
Explanation:
The reason why is because everything mixes to become one thing. so while everything was mixing and getting baked, it was chemically changing
What total percentage of the human body is made up of nitrogen, carbon, and hydrogen?
Nitrogen - 3.1%
Carbon - 18.4%
Hydrogen- 10.2%
Calcium- 2.0%
Oxygen- 66.3%
Answer: 31.7%
Explanation:
3.1 + 18.4 + 10.2 would get you your answer of 31.7.
Please answer quickly i really need this question
Answer: Hiya so I believe it is 4
Explanation: Because as you see winter is when the earth is away from the sun. It makes sense if the earth is away from the sun then its cold. I might be wrong
Can someone Help me please!
Please help me I need helppppppp
Answer:
but, atleast tell us what help?
Social sciences try to remain____blank
fully orderly and useful
Herbivore are generally considered autotrophs or heterotrophs
Answer:
hererotrophs
Explanation:
autotrophic means self feeding and this only occurs in plants and photosynthetic organisms.
heterotrophic means "other" feeding, are of organisms that depend on already made food as nutrition source such as herbivores carnivores and omnivores.
:)
Which plate boundary interaction is shown in the picture?
A. convergent boundary
B. divergent boundary
C. transform boundary
The plate boundary interaction which is shown in the picture is referred to as transform boundary and is denoted as option C.
What is a Transform boundary?
This refers to a fault zone which is characterized by two plates sliding past each other horizontally in the earth .
On the other hand, Divergent boundaries refers to the plates moving apart while convergent boundaries refers to the plates are colliding with each other as a result of different types of factors such as temperature, pressure etc.
This is therefore the reason why transform boundary was chosen as the most appropriate choice according to the picture given in the question.
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What chemical found in plant cells is able to use the energy in sunlight to make food?
a. cytoplasm
b. chlorophyll
c. lactic acid
d. sulfuric acid
answer: b. chlorophyll
Answer:
b.chllrophyll
Explanation:
Chloroplasts work to convert light energy of the Sun into sugars that can be used by cells. It is like a solar panel that changes sunlight energy into electric energy. The entire process is called photosynthesis and it all depends on the little green chlorophyll molecules in each chloroplast.
After a fire in a warehouse, an investigation was conducted. Samples were collected
and test results revealed that a substance was used to accelerate the fire. It was
concluded that the fire was an arson crime. A suspect was arrested and charged with
the crime. The suspect was prosecuted and convicted. Which task was done by a
forensic scientist?
collecting and testing the samples for the presence of the substance that
accelerated the fire
conducting the investigation
arresting the suspect
prosecuting the suspect
The correct answer is option A. The task done by a forensic scientist is of collecting and testing the samples for the presence of the substance that accelerated the fire. A forensic scientist's job description may include gathering traces of evidence from crime or accident scenes and documenting findings. laboratory examination of samples including hair, bodily fluids, glass, paint, and medications utilizing multiple methods as necessary, such as chromatography, mass spectrometry, and DNA profiling.
A forensic scientist's three duties or responsibilities are as follows:
assembling evidenceexamining the evidenceinteracting with law enforcement and providing testimony in court. Responsibilities of a forensic scientistGo to crime scenes to conduct investigations and make assessments. capturing images and video of crime scenes. Making notes, identifying, and gathering tangible evidence attending autopsies in order to observe, collect data, and take pictures.Learn more about forensic scientists here:
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Select the correct answer from each drop-down menu.
Minerals are micronutrients required by the body for various key functions. The mineral____ is required to carry oxygen in the
blood to all body tissues, and
____ is a rich source of this mineral.
The mineral ____
A) calcium
B) iron
C)sodium
___ is a rich source
A) vegetable oil
B) red meat
C) milk
The mineral iron in red meat is a rich source.
Heme iron, which is abundant in red meat, lowers the likelihood of developing deficiencies. It is imperative that you regularly eat red meat if you are at risk for anemia. 2.7 mg of iron, or 15% of your daily need, may be found in one serving of ground beef, a form of red meat.
It is healthy at the same time since it contains vitamin B, selenium, protein, and zinc. According to a study posted on the National Center for Biotechnology Information, women who eat meat after doing aerobic exercise retain iron more effectively than those who take iron supplements.
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1. The volume of water in a water tank can be represented as 48 more than the product of 5 and m, where m represents the number of minutes the water has been flowing into the tank. a. Write this as an algebraic expression (2 pts). b. Explain what the 48 represents in the problem (2 pts). c. Explain what the 5 represents in the problem (2 pts).
The parameters in the equation are;
y = volume of the tank
5 = The rate at which water is leaving the tank
m = the number of minutes the water has been flowing into the tank
48 = The initial volume of the tank.
What is a function?We know that a function is a Mathematical rule. We can understand that the function is that which gives us an idea of the kind of operation that we ought to perform as shown. Now we have the information that the volume of water in a water tank can be represented as 48 more than the product of 5 and m, where m represents the number of minutes the water has been flowing into the tank.
If we want to write this as an algebraic equation we are going to have written this sort as shown below as; y = 5m + 48. We can see that this looks exactly like the equation of a straight line graph;
y = volume of the tank
5 = The rate at which water is leaving the tank
m = the number of minutes the water has been flowing into the tank
48 = The initial volume of the tank.
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difference between Monera and protists in terms of their methods of reproduction
Answer:
move breathing
Explanation:
yes
Which word names a large area that is characterized by dominant species of plants and animals?
Answer:
Biome
Explanation:
Biome is a specific that live at the area were plants and animals can live becuase of the tempture and the climate fo the are specific species and plants live in that are including dominint species
Example of importance for a living organisms
Omggg helpp pleaseee
Answer:
I would say A
Explanation:
one of the symptoms oh high salt concentrations in soil is plants that appear dehydrated even when they are receiving adequate water. how can you explain this phenomena using what you observed in the root cells of the salt-sensitive plants?
High salt concentrations in soil is plants that appear dehydrated even when they are receiving adequate water because the salts comes from the irrigation activity.
What does salt do to plants and their roots?The more salt that accumulates in the soil from irrigation and natural occurrence in the soil. We applied water to the plants in order to maintain the water content in the plants and make them hydrated. Sometimes the water has high salt concentration that negatively affected plant growth. Salinity greatly affects production in crops and trees by preventing the nitrogen uptake, reducing the growth and also stop the reproduction process in plant. Chloride salts are the toxic ion to plants. When its concentration increases in the soil, the plant is poisoned and dies in the end.
So we can conclude that High salt concentrations in soil is plants that appear dehydrated even when they are receiving adequate water because the salts comes from the irrigation activity.
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Suppose the index’s fossil in the diagram has an absolute age of 454 million years in your own words,explain how scientists could estimate the ages of the other fossils in the diagram based on this information.
Geologists frequently utilize radiometric dating techniques to analyze the age of fossils, which are based on the natural radioactive decay of specific elements like potassium and carbon.
Radiocarbon: 1–70,000 yearsUranium-Lead: 10,000–billion yearsAbsolute dating and relative dating are the two basic techniques for estimating the age of a fossil. By comparing a fossil with related rocks and fossils from same time period, relative dating is performed to determine the approximate age of the fossil. This is known as relative dating. Absolute dating can be done by measuring the decay of isotopes within the fossil or rocks, to estimate the exact age of a fossil. The radioactive materials present in nearby rocks and fossils are used for absolute dating. These radioactive materials essentially function as a geological clock, revealing a fossil's precise age.Isotopes typically "degrade" with time at a predictable, steady rate. Hence, the age of the specimen can be calculated by comparing the amount of the original parent isotope to the amount of the daughter isotope it decays into.Therefore, relative dating can be used to estimate the ages of other fossils.
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TOLL
Question 5
Which of the following is there most of on Earth's surface?
A) Land
B Air
CLife
D Water
Joggers running along an urban running path noticed paint running out of a culvert into a nearby creek. Local authorities investigated and found that some homeowners had painted the outside of their home and dumped the extra paint down a storm drain. They were fined. What type of water pollution did they cause?
A. Toxic
B. Sediment
C. Nutrient
D. Bacterial
QUESTION 3
Describe the unique feedback mechanisms of estrogen in the feedback loop of the
ovary and pituitary. Make sure to include FSH and LH in the explanation.
The unique feedback mechanisms of estrogen in the feedback loop of the ovary and pituitary is to enhance the secretion of GnRH and gonadotropins which lead to ovulation.
How does estrogen play a role in a feedback mechanism?The positive feedback effect of estrogen is the mechanism in which the GnRH cells of the brain and the pituitary gonadotrophs produce in the secretion of GnRH and gonadotropins, this will lead to ovulation. Estrogens regulate the secretion of Luteinizing hormone by controlling the secretion of GnRH from the region of hypothalamus as well as the secretion of GnRH that stimulates both tonic Luteinizing hormone secretion and the Luteinizing hormone.
So we can conclude that the unique feedback mechanisms of estrogen in the feedback loop of the ovary and pituitary is to enhance the secretion of GnRH and gonadotropins which lead to ovulation.
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Put the letter of the correct answer on the blank (6) monosaccharide; found naturally in fruits and honey, must be changed into glucose in the liver before it can be assimilated by the cells of the body
Fructose found naturally in fruits and honey, must be changed into glucose in the liver before it can be assimilated by the cells of the body
What does the liver convert monosaccharides into?From the digestive tract, monosaccharides, glucose, galactose, and fructose are eagerly absorbed by the liver, where they can be used to produce glycogen or to provide the body with the immediate energy it needs.
About 15–25% of the glucose that is consumed by healthy human individuals is processed in the gut and liver, where it is mostly utilised to replenish hepatic glycogen reserves.In the liver, glucose is phosphorylated to become glucose-6-phophate.
What monosaccharide comprises the bulk of fruit?A kind of sugar called a monosaccharide contains fructose. Like other sugars, fructose has four calories per gramme. Fructose is sometimes referred to as "fruit sugar" since it is mostly naturally present in many fruits.
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What are two ways that bacteria affect plants? Pls answer ASAP
Answer:
Bacteria convert nutrients and toxins into forms unavailable to the plant. Some bacteria are involved with the transitions of nutrients and make nutrients such as nitrogen.