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Karolina [17]
3 years ago
10

Natural selection could not occur without _______ and act on a(n) _______

Biology
1 answer:
kherson [118]3 years ago
4 0
Natural selection could not occur without environment, and a act on animal.
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Multiple monomers can be linked together to form a:
solmaris [256]

Answer:

Polymer

Explanation:

Monomers can be linked together to form a polymer

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2 years ago
Macromolecules that contain carbon , hydrogen and oxygen in a 1:2:1 ratio is called ?
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Answer/Explanation: Carbohydrates contain carbon, hydrogen and oxygen atoms with the ratio of hydrogen atoms to oxygen atoms in the ration of 2 hydrogen atoms to 1 oxygen atoms (2H : 10) such as in sucrose or table sugar C12H22011. It is Carbohydrates are a ready source of energy.

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2 years ago
What role do nerve cells play in the human body? They allow the body to react to stimuli. They regulate the exchange of chemical
Alex

The right option is; They allow the body to react to stimuli.

Nerve cells, (also called neurons) are specialized cells that are found in their millions in the nervous system. Nerve cells are created to stimulate other cells in the body.  They transmit messages in the form of electrical signals within the body, and they allow the body to respond to stimuli. Neurons are grouped into three types which are; sensory neurons, motor neurons and association neurons.

5 0
3 years ago
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A gardener cut a branch from a shrub and planted it in a small pot where it grew into a new shrub this method of growing a new s
iragen [17]

This method of growing a new shrub is a type of asexual reproduction by fragmentation

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8 0
3 years ago
Which response to an injection of ACTH indicates a primary adrenal insufficiency
Keith_Richards [23]

Explanation:

Correct Answer: No change in serum glucocorticoid level

Response Feedback:Primary adrenal insufficiency would be indicated when the adrenal cortex fails to produce cortisol when synthetic ACTH is administered. Serum cortisol levelswould increase following ACTH administration if the adrenal cortex is functioning properly. Primary adrenal insufficiency occurs when there is no change in the serum glucocorticoid level.

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3 years ago
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