Proteins and Nucleic Acids

Question 1

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

Revolt · Accepted Answer

Friedrich Meischer discovered nucleic acids in blood cells.

Question 2

Who discovered the monomers of nucleic acids?

Revolt · Accepted Answer

Phoebus Levene

Question 3

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

Revolt · Accepted Answer

phosphorus

Question 4

Which is a difference between proteins and carbohydrates and fats?

Revolt · Accepted Answer

Excess carbohydrates and fats are stored; excess proteins are not.

Question 5

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

Revolt · Accepted Answer

9

Question 6

Which statement is true about BRCA1 and BRCA2 genes?

Revolt · Accepted Answer

People can be tested for mutations on these genes.

Question 7

Which three components are common to all amino acids?

Revolt · Accepted Answer

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

Question 8

What effect has breast cancer research had on society?

Revolt · Accepted Answer

People who have gene mutations have more treatment options.

Question 9

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 10

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.

Proteins and Nucleic Acids Answers

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