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Ksenya-84 [330]
2 years ago
15

Penicillin is an antibiotic that was discovered in 1928. Today many species of bacteria have acquired resistance to penicillin.

This adaptation occurred as a result of

Biology
2 answers:
Oksi-84 [34.3K]2 years ago
4 0

Answer:

THE ANSWER IS C ( genetic mutation) ON USATestPrep because...

Explanation:

Many bacteria have acquired the ability to produce an enzyme called penicillinase, which destroys penicillin. All enzymes are proteins. The ability to produce the new protein penicillinase came from a change in the bacterial DNA: a genetic mutation.

mr Goodwill [35]2 years ago
3 0
Genetic mutation is the answer to your question
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kirill115 [55]

Answer:

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Explanation:

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What distinguishes an amniotic egg from eggs laid by other animals, including fishes, amphibians, and invertebrates?
PIT_PIT [208]

The difference between an amniotic egg and eggs laid by other animals is : Absence of Membrane ( amnion ) and absence of larval stage

<h3>Characteristics of an amniotic egg</h3>

Eggs laid by amniotes are different from other eggs laid by fishes, amphibians and invertebrates in that they lack a membrane and a larval stage. the shell of the amniotic egg protects the embryo in the absence of a membrane. The shell also allows for the exchange of oxygen and carbon dioxide between the the embryo and the environment.

Hence we can conclude that The difference between an amniotic egg and eggs laid by other animals is : Absence of Membrane ( amnion ) and absence of larval stage

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