Answer:
a. the reindeer population exceeded it carrying capacity
Explanation:
not enough food for the reindeers due to an increase in deer population.
<span>Ptyalin hydrolysis does not continue in the stomach because it is destroyed by the stomach once it enter the stomach. </span>
Ptyalin is an amylase enzyme commonly found in the saliva of
humans and animals. This enzyme is secreted in the mouth ( buccal cavity) and catalyze
the hydrolysis of starch into maltose and dextrin. Immediately the starch
leaves the mouth and enter the stomach, stomach acids destroy the ptyalin.
Tumor suppressor genes and proto-oncogenes cause cancer cells to divide uncontrollably.
The answer is B) proto-oncogenes.
