I don't think doctors are supposed to do that but if they are I'm guessing it's probably to kill a infection of some kind or speed up the healing process
There are only so many resources that can be used and if all of them are used they don't have enough materials or food.
Answer: Antimicrobial proteins.
Explanation:
Antimicrobial proteins are the type of proteins produced by the keratinocytes on the body surfaces. These proteins acts as the barrier and kills the microorganism which is trying to enter the body.
These are larger proteins containing more than 100 amino acids. They are often lytic in nature.
The cell membrane of the microbes is disrupted by the action of these amino acids or proteins on them.
Answer:
To convert solar energy into chemical energy and then store the chemical energy for future use.
Explanation: