Proteins and Nucleic Acids

Question 1

Which component makes each amino acid unique?

Revolt · Accepted Answer

R group

Question 2

Lactase is an enzyme that is produced in the lining of the intestines. This enzyme helps the body speed up the breakdown of carbohydrates that are found in dairy products, such as milk, yogurt, and cheese. Which general function does lactase perform?

Revolt · Accepted Answer

regulating cell processes

Question 3

Which is a difference between proteins and carbohydrates and fats?

Revolt · Accepted Answer

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

Question 4

Which is a function of nucleic acids?

Revolt · Accepted Answer

store genetic information

Question 5

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

Revolt · Accepted Answer

phosphorus

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

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 8

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 9

What effect has breast cancer research had on society?

Revolt · Accepted Answer

People who have gene mutations have more treatment options.

Question 10

Which statement is true about BRCA1 and BRCA2 genes?

Revolt · Accepted Answer

People can be tested for mutations on these genes.

Proteins and Nucleic Acids Answers

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