Answer:
except natural killer cells.
Explanation:
The Helper T cells produce cytotoxic T cells and help B cells, but not natural killer cells
Question
What must happen before meiosis can begin
DNA replication must come first before meiosis to happen.Previous to replication, a germ cell contains two copies of each chromosome, a maternal copy. and a paternal copy.
Answer:
b. energy loss in machines
Explanation:
It is an undesirable effect because it causes loss in energy in a machine which most likely requires a lot of energy to function. Therefore, it is undesirable as the machine will not function properly.
Answer:
E. just wait and see if you get high from them
Explanation:
