You never put the answer choices so I can’t answer this question
Answer:
It allows for genetic anomolies that over time will eventually change the animal.
Explanation:
A microbe that grows only at the bottom of a tube of thioglycollate medium is probably a(n) <u>obligate anaerobes</u>.
Thioglycolate broth would be a versatile enrichment and differential medium that is largely used to ascertain the oxygen needs of bacteria. Obligate anaerobes can grow because of the oxygen-consuming properties of sodium thioglycolate inside the medium.
A variety of oxygen concentrations are produced in the medium across its depth as a result of this and the diffusion of even more oxygen as from broth's surface.
Because oxygen would be poisonous to obligate anaerobes, they congregate near the tube's bottom where another oxygen level is lowest.
To learn more about obligate anaerobes here
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Albert Alexander was the first patient to be successfully treated on an infection caused by bacteria. He accidentally scratched a thorn of a rose on his face which badly infected him. One of his eyes had also been removed. He was given an infusion<span> of 160 mg of penicillin on February 12, 1941, and within 24 hours, his wounds begun to heal. He, however, died on March 1941. </span>
