The correct answer is helper T cells.
<span>The helper T cells are one of the main cells of the adaptive immune system. Their role is to help the activity of other immune cells by releasing T cell cytokines and they are required for almost all adaptive immune responses. The helper T cells activate B cells to secrete antibodies, stimulate macrophages to destroy ingested pathogens, and help in activation of cytotoxic T cells to kill infected target cells.</span>
I think its A becuz it makes more sense for it
B
because the compound light has the light bulb in it
They are at the beginning because they absorb the energy from the sun and the energy or the sun gets transferred by each organisms
Answer:
4: DNA is found in the nucleus of the cell
5: cell
6: A person has 23 pairs of chromosomes
7: Chromosomes, genes, DNA are different names for different parts of THE SAME thing
8: the genes that determine what you look like came from your PARENTS
9: the reproductive cells called SPERM AND EGGS each contain only 1/2 of the genes needed to make a person
10: All living things have the same genetic CODE
11: ATCG combine in different patterns to form different CHEMICALS
12: Each species has a different BLUEPRINT, but the same kind of DNA molecule
13: A(n) HORSE has 64 chromosomes
14: A chromosome can only be seen by using a MICROSCOPE