Answer: Sebum
Explanation: Sebaceous gland secretes sebum which is a chemical mediator that helps in lubrication and protection.
The sebaceous gland is present in skin and produces oil which is an endogenous mediator which provides a seal for the harmful microorganism so that they cannot the body through skin.
In this way it also protects the sweat gland which produces sweat.some of the bacteria that causes acne uses lipase to degrade sebum and causes infection.
Hence, the correct answer is option B
Answer:
The answer is B.
Explanation:
According to the details given in the example, because she cut a blood vessel, the blood vessel, using the muscles along the walls of the vessel, constricted as quickly as possible once it was cut to be able to stop the bleeding. So the answer is option B.
I hope this answer helps.
75% is the likelihood because it’s not one parent it’s both
The blob operon produces enzymes that convert compound A into compound B. The operon is controlled by regulatory gene S. Normally, the enzymes encoded by the operon are synthesized only in the absence of compound B. If gene S is mutated, the enzymes are synthesized in the both the presence AND absence of compound B. Gene S must encode a(n):
a. inducer.
