In active transport, materials move from an area of high concentration to an area of lower concentration (goes down the concentration gradient) and it requires or uses energy in the form of ATP (adenosine triphosphate)
The answer should be the first quarter moon
The answer is stem cells. Normal stem cells and germ cells can also be said to be immortal
Answer: RNA polymerase II hope this helps if not comment back and I’ll reply
Answer:
it is the thymus
Explanation:
this is where the t cells and b cells are made
