Answer:
A) B cells produce plasma cells, which secrete antibodies into the blood
Explanation:
There are two types of lymphocytes present in blood. These are namely, B lymphocytes and T lymphocytes. The B lymphocytes are activated with help of T lymphocytes. The activated B cells divide and produce a large number of cells that differentiate into the plasma cells. These plasma cells finally produce antibodies against specific antigens.
Answer:
b
Explanation:
because it can not be stored unless if cotaminated areas
Explanation:
HIV virus is an RNA virus
Answer:
Discovered that DNA was in the shape of a double helix
Answer:
active transport
Explanation:
they are using energy to move across the membrane, using energy means its active Hope this helps
