Answer: adenine, thymine, guanine and cytosine
Explanation: Adenine always binds with thymine, and cytosine always binds with guanine.
Answer:
it can be a disadvantage to population because it produces many offsprings which can lead to high increase in population.
Active transport<span> is the </span>movement<span> of dissolved </span>molecules<span> into or out of a cell through the cell membrane, from a region of lower concentration to a region of higher concentration. The </span>particles<span> move against the concentration gradient, using energy released during respiration.</span>
Answer:
The correct answer is a. They release their secretions into the blood.
Explanation:
Endocrine glands are responsible for producing/secreting hormones and releasing them directly into the blood from where they travel to tissues and organs throughout the body. Some examples of endocrine glands are the pituitary gland (it regulates homeostasis), the thyroid gland (It helps to regulate growth and metabolism) and the adrenal glands (they perform different functions at the endocrine and nervous level).
Answer:
what do you mean don't understand
Explanation:
you're not telling good information