Carbohydrates, Proteins and Lipids Quiz

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What is a peptide bond?

A. Bond that holds two amino acids together.

B. A bond that holds hydrogen and oxygen molecules together.

C. A bond that holds the phosphate group of one nucleotide and a sugar of a neighboring nucleotide.

D. A bond that is formed by the sharing of electrons.

What is a protein:

A. A polymer composed of many sugars.

B. A polymer composed of many amino acids.

C. A polymer composed of fatty acids.

D. A polymer composed of nucleotides.

What is an example of a protein?

A. Strawberries

B. Bread

C. Pasta

D. Steak

Lipids are made of…

A. CHO

B. CHON

C. CHONP

D. CHONS

The process of adding water in order to break bonds within a polymer….

A. Dehydration Synthesis

B. Hydrolysis

How many different amino acids are there?

A. 15

B. 20

C. 25

D. 30

What is the monomer of proteins?

A. amino acids

B. polypeptides

C. nucleotides

D. monosaccharides

How do the number of H atoms compare to the number of O atoms in a carbohydrate?

A. There are TWICE as many H

B. They are the same amount

C. There are THREE times as many H

D. There are TWICE as many O

Some carbohydrate foods are ________

A. fruits

B. grains

C. vegetables

D. all the above

Which of the following is NOT a function of proteins

A. Assist in blood clotting

B. Fight infections and diseases

C. Assist in the processing of glucose

D. None of the above

What atoms make up all carbohydrates?

A. Carbon, Sulfur, Hydrogen

B. Carbon, Oxygen, Phosphorus

C. Carbon, Oxygen, Nitrogen

D. Carbon, Oxygen, Hydrogen

Which macromolecule is this?

A. carbohydrate

B. lipid

C. protein

D. nucleic acid

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