Proteins and Nucleic Acids - Quiz Quiz

Question 1

Which element is found in nucleic acids but not in amino acids?

Revolt · Accepted Answer

B: phosphorus

Question 2

Which statement best distinguishes plants and animals as they relate to amino acids?

Revolt · Accepted Answer

A: Plants can synthesize all twenty amino acids. Humans must eat plants or animals to obtain some of these amino acids.

Question 3

How many amino acids must be obtained in the diet because they cannot be made by the body?

Revolt · Accepted Answer

B: 10

Question 4

Who first identified nucleic acids, and where were they discovered?

Revolt · Accepted Answer

C: Friedrich Meischer discovered nucleic acids in blood cells.

Question 5

Who discovered the monomers of nucleic acids?

Revolt · Accepted Answer

C: Phoebus Levene

Question 6

DNA and RNA share a number of similarities, but they also differ in certain aspects of their structure. Which nitrogenous base is found in RNA but is not found in DNA?

Revolt · Accepted Answer

D: uracil

Question 7

Which component makes each amino acid unique?

Revolt · Accepted Answer

C: R group

Question 8

Which pair of statements best describes an essential amino acid?

Revolt · Accepted Answer

B: It is an amino acid that cannot be made by the body. It must be obtained from eating certain foods.

Question 9

Which three components are common to all amino acids?

Revolt · Accepted Answer

B: an amino group, a carboxyl group, and an R group

Question 10

How many amino acids are found in living organisms?

Revolt · Accepted Answer

B: 20

Proteins and Nucleic Acids - Quiz Quiz Answers

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