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

Which is a function of nucleic acids?

Revolt · Accepted Answer

store genetic information

Question 3

How many amino acids are found in living organisms?

Revolt · Accepted Answer

20

Question 4

Which three components are common to all amino acids?

Revolt · Accepted Answer

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

Question 5

Who discovered the monomers of nucleic acids?

Revolt · Accepted Answer

Phoebus Levene

Question 6

Which component makes each amino acid unique?

Revolt · Accepted Answer

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

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 9

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 10

What effect has breast cancer research had on society?

Revolt · Accepted Answer

People who have gene mutations have more treatment options.

Proteins and Nucleic Acids Answers

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