Answer:
the answer to this question is choice D
Answer:
B cells develop into plasma cells that make antibodies to fight infection.
Answer:
a green pigment, present in all green plants and in cyanobacteria, responsible for the absorption of light to provide energy for photosynthesis. Its molecule contains a magnesium atom held in a porphyrin ring.
The answer is A. No mate is required for asexual reproduction
