Proteins and Nucleic Acids

Question 1

Which statement is true about BRCA1 and BRCA2 genes?

Revolt · Accepted Answer

People can be tested for mutations on these genes.

Question 2

Which pair of statements best describes an essential amino acid?

Revolt · Accepted Answer

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

Question 3

What effect has breast cancer research had on society?

Revolt · Accepted Answer

People who have gene mutations have more treatment options.

Question 4

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

Revolt · Accepted Answer

Friedrich Meischer discovered nucleic acids in blood cells.

Question 5

Which component makes each amino acid unique?

Revolt · Accepted Answer

R group

Question 6

Which three components are common to all amino acids?

Revolt · Accepted Answer

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

Question 7

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

uracil

Question 8

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

Revolt · Accepted Answer

9

Question 9

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

Revolt · Accepted Answer

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

Question 10

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

Revolt · Accepted Answer

phosphorus

Proteins and Nucleic Acids Answers

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