For the first question, i think the correct answer is A. Normal cells undergo apoptosis while cancer cells don't. For the second question, The answer is option B.<span> </span><span>Cell division has two checkpoints namely, G1
checkpoint and spindle assembly checkpoint. The checkpoint which determines if
division has properly occurred is the G1 checkpoint. At this point, is a damage
in the DNA is detected or the has not reach the optimum size, the cell is
stopped in G1 and is not allowed to proceed to further process.</span>
primary production is the synthesis of organic compounds from atmospheric or aqueous carbon dioxide.
a. vitamins.
b. everyday.
I'm not 100% sure on b. but a. has to be vitamins.
Body's major metabolic hormone is called Thyroid hormone
