A population of bacteria is resistant to penicillin, even though the population

Question

A population of bacteria is resistant to penicillin, even though the population was not resistant to the antibiotic when it was first introduced. Which of the following explanations for this phenomenon is consistent with evolutionary theory? Select one O a. Only the individual bacteria that developed resistance to penicillin immediately after exposure were able to survive. b. Bacteria tried to adapt to the environment. O c. There were probably some resistant bacteria in the population before penicillin was used. d. Individual bacteria developed resistance to penicillin and then were selected tor How many amino acids were used to form the oligopeptide shown below? Select one: a. tour O b. five c.sx d seven Which of the tollowing is not true of comparisons between the DNA andior proteins of species? Select one: a. They can help us determine the degree of homology between two species b. They can help us determine the approximate time at which species began to diverge c. They can help us determine the probability of a familial relationship between two individuals of the same species. d. They can help us determine what future evolutionary adaptions will be.

Explanation / Answer

Answer-

For questions 1-i(c).

Means there will probably some becteria in population before penicillin was used.

For questions 2-(b)

5 amino acid

For question 3-(d)

They can help us to determine what future evalutionary adoption will be.

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