The model shows the cycling of carbon.
Which part of the model shows carbon moving from the biosphere to atmosphere?
A. The sheep carrying out respiration.
B. Waste materials coming from the sheep.
C. (REFER TO PICTURE!!)
D. The sheep taking in nutrients.
The sheep carrying out respiration is the correct answer.
The exchange of carbon between the Earth's biosphere, pedosphere, geosphere, hydrosphere, and atmosphere occurs through the carbon cycle, a biogeochemical process. Both biological substances and many minerals, including limestone, mostly consist of carbon.The carbon serves as the model for how carbon moves across the environment and between the many spheres.The process of cellular respiration, carried out by the living world or the organisms, adds carbon dioxide to the atmosphere, which is present in the atmosphere as bound carbon.The sheep engaged in respiration is the right response since cellular respiration is how carbon dioxide gets from the biosphere to the atmosphere.The carbon cycle is one of three cycles—along with the nitrogen cycle and the water cycle—that play a crucial role in the ability of Earth to support life.Therefore, option A. is correct.
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Why is it important that some substances won’t be solubilized in water?
Answer:
They are not polar
Explanation:
For a substance to be soluble in water, the substance should have H+ and OH- ions and hydrogen bonds. for example ethanol (C²H⁵OH)
In a lab experiments where researchers are collecting data on hallucinations drugs they are most likely are stimulating overactivation of : 1. Serotonin 2. melatonin 3. dopamine or 4. epinephrine
In lab experiments where researchers are collecting data on hallucinations drugs, they are most likely stimulating the overactivation of melatonin.
What is melatonin?
Your body produces melatonin, a hormone that affects sleep. Melatonin is produced and released by the brain according to the time of day, rising in the dark and falling in the light. With age, melatonin production decreases.
In the form of an oral tablet or capsule, melatonin is also offered as a dietary supplement. The majority of melatonin supplements are created in a lab. Melatonin is frequently used by people to treat sleep disorders like jet lag and insomnia.
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Cyanide (CN-) poisoning stops cellular respiration by inhibiting the actions of cytochrome c oxidase enzymes in the mitochondria. Specifically, cyanide blocks complex IV of the electron transport chain. What does that suggest about oxygen’s role as an electron acceptor?
One of the main reasons that the American diet is unbalanced
One of the main reasons that the American diet is unbalanced is because of their high consumption of preserved or canned food and a diet that is rich in fats and calories.
A balanced diet must contain the following seven components: carbohydrates, protein, fat, fiber, vitamins, minerals, and water.Maintaining good health and feeling your best can both be facilitated by eating a healthy, balanced diet. To acquire and maintain a healthy body weight, this entails consuming the appropriate amounts of food and drink, as well as a wide variety of meals in the appropriate quantities.Foods that have been preserved and are not truly fresh are referred to as processed foods. Processes that involve the addition of preservatives include canning, smoking, salting, and curing.Because processed meals are frequently easier to find than fresh foods, many consumers choose them over fresh produce. Fresh goods might occasionally be more expensive than their processed equivalents.Hence, the American diet is unbalanced because of their consumption of processed food.
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PICK UP LINE:
Please come up with a pick up line for a chloroplast :)
(other than: are you a chloroplast? Because you chlorophyll my heart)
A chloroplast, are you? Because of you, my brain is full of chlorophyll.
Photosynthesis, the process by which light energy is transformed into chemical energy and results in the generation of oxygen and energy-rich organic compounds, takes place in the chloroplast, a structure found inside the cells of plants and green algae. Close cousins of chloroplasts that are free-living are photosynthetic cyanobacteria; according to the endosymbiotic theory, these organisms are the ancestors of both chloroplasts and mitochondria, which are eukaryotic cells' energy-producing organelles.
The chloroplast genome is typically 120–200 kilobases long and circular (although linear variants have also been seen). A growing number of chloroplast genes have been transferred to the genome in the cell nucleus over the course of evolution, significantly shrinking the size of the contemporary chloroplast genome. As a result, nuclear DNA-encoded proteins are now required for the proper operation of chloroplasts.
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A diagram of a food web for an African grassland is shown. The greatest competition would most likely occur if which of the following organisms were to decrease?
Question 5 options:
Mice and pangolins
Grasshoppers and impalas
Mongoose and lions
Red oat grass and warthogs
The greatest competition would most likely occur if grasshoppers and impalas were decreased. Thus, the correct option is B.
What causes competition in a food web?
Competition occurs between different species when individuals of different species struggle to obtain the same resource in an ecosystem such as food or space. Adaptations are the physical and behavior modifications which can help an organism outcompete its competitors.
Impalas are the medium-sized antelopes that roam the savanna and light woodlands of eastern and southern Africa. They are similar to grasshoppers. A decrease in the organisms of grasshoppers and impalas may result into greatest competition in the food web.
Therefore, the correct option is B.
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Water you drink is absorbed into the blood from the digestive tract. An increase in water intake caused an ___in the plasma osmolarity.
Answer:
an Decrease.
Explanation:
Hope this helped!
On Earth, how do objects fall? (1 point)
O toward the center of the Earth, as a result of gravity
O toward the surface of the Earth, as a result of a force other than gravity
O toward the center of the Earth, as a result of a force other than gravity
toward the sun, as a result of gravity
Answer:
bien y tu? que tal, yo bien gracias es lo bueno y tu que tal
Answer:
toward the center of earth as a result of gravity
Which statement best describes a difference between a scientist and an
engineer?
A. A scientist asks, "Why does this happen?" while an engineer asks,
"How can I make this work?"
OB. A scientist gets inspiration only from nature, while an engineer
gets inspiration only from human-made things.
OC. A scientist is focused on meeting the needs of people, while an
engineer is concerned with the pursuit of knowledge.
OD. A scientist follows a series of steps, while an engineer solves
problems without a process.
The statement that best describes a difference between a scientist and an engineer is a scientist would ask, "Why does this happen?" while an engineer would ask, "How can I make this work?"
Scientist indulge in research to know the process behind the things that are happening in either living or non-living matters. They focus mostly to the understand the mechanism so that they could provide a solution. On the other hand, Engineer indulges in making a product based on the recordings from research or it can be novel.
Scientist and engineer can get their inspiration from both nature and human-made things as it is not restrained. It’s not something that can be separated.
An Engineer is focused on meeting the needs of people, while a scientist is concerned with the pursuit of knowledge. But we can’t be certain as knowledge is required for the development. Both are inter-related.
A scientist and an engineer may follow a series of steps or solves problems without a process based on the requirement.
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research
5. Evaluate the impact of pasteaur's on both
Scientific thought and society. What was the affect
Of Pasteurs investigation on scientist ideas and
people's lives?
Answer: Pasteur discovered Pasteurization, meaning without his discovery, today, we would not have easy access to long lasting milk. His discoveries also help scientists with vaccines.
Explanation:
Can I have brainliest? It would help me out, if not thanks anyways! Hope this helped and have a nice day!
What is protected within the nucleus?
A. Polysaccharides
B. DNA
C. Prokaryotic cells
Answer:
I want to say C. Prokaryotic cells
Explanation:
I could be wrong
Meiosis generates gametes for sexual reproduction. The mixing of the blue * 1 point
and red chromosomes in the model below demonstrates a process known
as crossing over. Crossing over occurs during prophase 1 of meiosis.
Complete the statement based on the image of meiosis. "Crossing over is
the exchange of genetic material between homologous pairs of
chromosomes. This process.
the variation in the resulting
gametes because each contains.
material."
(11₂1)
4
5
Interphase
Homologous
Chromosomes
O increases, identical
O increases, different
O decreases, identical
decreases, different
Melosis I
Daughter
Nuclei
Daughter
Nuclei
(HH)
88-00
Meiosis II
versions of the original genetic
Answer:B. Increases, different
Explanation:
Which is an ion found in a glass of water?
OA. 0₂
OB. N
OC. 0
OD. Ht
SUBMIT
Various amounts of table salt are added to water and its affect on density of water is
recorded.
what is the control and experimental group ?
The control is the source of the water.
What is control?The control of an experiment is the factor that must be held constant in order for the experiment to be reliable. If these factors are not held constant, then the experimental results are not reliable.
In this case, we are measuring the effect of addition of salt to the density of water. We have to ensure that the water is all taken from the same source so that we can be sure that the density is only affected by the addition of the salt and not other extraneous factors.
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How did the scientific research that started the Green Revolution affect society?
There were many impacts of green revolution which was affected our society and these were there was increase in area of farming because the main aim of green revolution was to increase the productivity of the crop.
What is green revolution?A revolution was started worldwide and the main objective of the revolution was to grow crops as much as possible and this revolution was for large production of crop than on this basis its name was decided and the name of the revolution was green revolution.
In India a great geneticist M.S. Swaminathan has started green revolution and it was started near about 1960 and this has changed the scenario and due to this revolution production of crops increased.
Therefore, There were many impacts of green revolution which was affected our society and these were there was increase in area of farming because the main aim of green revolution was to increase the productivity of the crop.
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what is osmosis and what are the function
Answer:
the transport of a solvent through a semipermeable membrane that separates two solutions of differing solute concentration.
Explanation:
hope this helps
Answer: when water moves from an area of LOW solute concentration (low osmolarity) to an area of HIGH solute concentration (high osmolarity) through a semipermeable membrane.
Explanation: In biology, osmosis is the movement of water molecules from a solution with a high concentration of water molecules to a solution with a lower concentration of water molecules, through a cell's partially permeable membrane.
2 diff ways antibiotics work against bacteria
Answer:
There are two main ways in which antibiotics target bacteria. They either prevent the reproduction of bacteria, or they kill the bacteria, for example by stopping the mechanism responsible for building their cell walls.
Answer:
Antibiotics can kill bacteria by:
1. Preventing the production of peptidoglycan that forms the cell wall. The cell will continue to grow without developing new cell wall, this causes the already existing cell wall to get weaker which will eventually cause the cell to rupture.
2. Stopping the production of proteins (protein synthesis) which prevents the production of new DNA
I will give you brainliest if you answer as fast as you can!
Which of the following statements is not true of lipids?
a. they are the primary source of energy for bodily functions.
b. they are digested and absorbed in the small intestines.
c. they are made of long chains of triglycerides and fatty acids.
d. they are the source of fat-soluble vitamins in the body.
The stomach secretes _______________________, __________________ and
_________________ which act on food
The stomach secretes hydrochloric acid, digestive juices and
enzymes which act on food.
Explanation:The stomach secretes water, electrolytes, hydrochloric acid, and glycoproteins, including mucin, intrinsic factor, and enzymes. Gastric motility and secretion are regulated by neural and humoral mechanisms.
Studying the folding patterns of protein molecules can help microbiologists better understand cellular processes as well
as some diseases, such as Alzheimer's, that are caused by proteins that have misfolded. The folding of these
complicated molecules can be simulated on computers, but it takes a lot of processor power and time for even
expensive supercomputers to do this.
A group of researchers at Stanford University developed software that can be used to distribute the processing of data to
anyone who is willing to donate time on their idle personal computers. As a result, the researchers have been able to
achieve protein-folding simulations that are far better than those other computing methods have done. Which statement
best describes the work of these researchers?
Running an experiment required the researchers to use ingenuity to tackle an issue.
The correct answer is "Running an experiment required the researchers to use ingenuity to tackle an issue."
It is the best choice since researchers can process data on anyone's computer who wishes to lend it to them, thanks to software that scientists created. In other words, they came up with a clever solution to the time and financial constraints that the simulation of these proteins folding had.Since the data can be replicated using the program, the work qualifies as scientific, and the fact that the data were not processed in a single location does not change this.The researchers employed more than just tried-and-true scientific methods. It is not a proven scientific method for anyone to be able to contribute time from their computer using software.In conclusion, the answer given above is the best one. Scientists employed ingenuity to find a solution; otherwise, it would have cost time and money to slow down or cease the research.To learn more about protein molecules visit:
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what happens when all the organisms in a species die
Answer: Wood and leaves decays bringing the carbon into the ground.
Hope this helps
The occurrence of a change in the properties of an object or system is called a _____
PLEASE ANSWER FAST
If the change in composition takes place then it is chemical change, and if the composition is not changes then it is physical change.
What is physical change?
Physical alterations are those that change the form but not the chemical composition of a thing. Physical changes can be used to separate mixtures into their constituent compounds, although they typically cannot separate compounds into chemical components or smaller molecules.
The composition must not be changed by physical adjustments; only the display must change.
Chemical alteration from the original components causes one or more compounds to totally change in composition.
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Describe the two functions of the coarse focus knob on the SI V-Scope.
The coarse focus knob on the SI V-Scope lowers and raises the microscope stage and uses power to focus.
The coarse focus knob on most microscopes is located around the bottom center part of the arm of the microscope as illustrated in the image below. The larger of the two knobs and one that is closest to the microscope's arm is the coarse adjustment knob.
Only the lowest power objective lens should be used with the coarse focus knob. You will only need to utilize the fine focus once it is in focus. With higher lenses, using the coarse focus could cause the lens to fall into the slide.
Focus (coarse), The coarse focus knob is used to roughly or almost focus the specimen. Focus (fine), After bringing the image into focus with the coarse focus knob, use the fine focus knob to make it more sharply focused.
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A rabbit lives in a temperate forest. Which would be an adaptation for this
rabbit?
OA. Being easily visible to prey
B. Changing color when snow falls
OC. Being cut by a sharp stick
OD. Learning where ants hide
Answer: If a rabbit lives in a temperate forest an adaptation would be the ability to change color when snow falls.
Explanation:
If a rabbit lives in a temperate forest an adaptation would be the ability to change color when snow falls.
What is Habitat and Heredity?The Habitat change can change the affect the heredity of the population by increasing the isolation and decreasing the effective of the population size. The Given statement has been related to the environment and heredity connection.
As per the question the rabbits lived in a forest habitat have varied coat colors such as brown, white and black. When habitat changed from forest to snow, the coat color which best suited for rabbits is Color White.
Temperature has a factor that alters the characteristics of the animals in terms of the movements and others. Rabbits that live in the temperate forests usually live underground to minimize exposure to harsh sun. This changes the way they acquire food, mate and live in general.
Therefore, option B is correct.
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1.Kim wanted to determine how temperature affected the growth of E. coli, a common intestinal bacteria in humans. The normal body temperature for humans is 98.6oF. He took one culture of bacteria and grew them at 95oF, 98.6oF,100oF and 108oF.
what is the control and experimental group?
In the student's experiment;
the control group is bacteria grown at 98.6°Fthe experimental group is bacteria grown at 95°F, 100°F, and 108°F.What are control and experimental groups in an experiment?The control group in an experiment is the group which does not receive the treatment that the researcher wishes to determine its effect on a group in the experiment. The control group may receive he standard treatment.
The experimental group in an experiment is the group which receives the treatment that the researcher wishes to determine its effect on a group in the experiment.
In the experiment;
the control group is bacteria grown at 98.6°Fthe experimental group is bacteria grown at 95°F, 100°F, and 108°F.
In conclusion, an experiment has a control and experimental group.
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Analyze and evaluate how natural selection produces change in populations as opposed to individuals
Answer:
For natural selection to work there must be variation in the population for it to act upon and so ‘choose’ the most fit genes for a particular situation. Populations tend to produce more offspring than the environment can support, and the inevitable consequence of this overproduction of offspring is a struggle for survival. Natural selection creates these selection pressures so the organisims best suited for the environment are more likley to survive and therefore pass on their genes to their offspring.
Natural selection can only happen in a population rather than an individual becasue it is the whole population's characteristics culmalitvley changing to better suit the environment. By passing down favourable traits to their offspring. It cannot happen in an individual because they cannot change their traits to better suit the environment, only pass on their traits to their offspring. A change due to natural selection can take generations
True or False: Enzymes can be used over and over in a reaction. They are not used up.
True, Enzymes can be used over and over in a reaction. They are not used up.
Enzymes only catalyze the chemical reaction in forward or backward direction
Enzymes may be utilized again to speed up the same process since they don't become damaged or depleted during the reactions they catalyze. Enzymes are incredibly efficient because each one is very specialized for the chemical process it catalyzes.
A biological catalyst called an enzyme is usually always a protein. It accelerates a certain chemical process in the cell.
The Enzyme efficiency increase with increase in temperature, but at a certain point it start declining it's activity with increase in temperature which ultimately cause the denaturation of enzyme.
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What is a model? Use the word phenomenon in your answer.
Answer:
down below
Explanation:
A model is a smaller representation of a phenomenon in our universe.
Hope this helps! :)
An oocyte is an immature reproductive cell found in many sexually reproducing organisms. A crawfish oocyte has a radius of approximately 1\, \text{mm}1mm1, start text, m, m, end text, while a human oocyte is much smaller and has a radius of about 0.05\, \text{mm}0.05mm0, point, 05, start text, m, m, end text.
Surface area of a sphere: A = 4πr^2A=4πr
2
A, equals, 4, π, r, squared
Assuming both cell types are perfectly spherical, how many times larger is the surface area of a crawfish oocyte compared to the surface area of a human oocyte?
The Crawfish is 400 times larger than the human oocyte.
How to calculate the area?It should be noted that the radius is given as 1mm.
The surface area is also illustrated as 4πr². The surface area will then be:
= 4 × 3.14 × (1)²
= 4 × 3.14 × 1
= 12.56mm²
The radius of human = 0.05m
The surface area is also illustrated as 4πr². The surface area will then be:
= 4 × 3.14 × (0.05)²
= 4 × 3.14 × 0.0025
= 0.0314mm²
The ratio will be:
= Crawfish / Human
= 12.56 / 0.0314
= 400
In conclusion, the crawfish is 400 times larger than the human oocyte.
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