Condensation and Hydrolysis Reactions; Carbohydrates

What is true about the formation of polypeptides from amino acids?

A bond forms between the carboxyl functional group of one amino acid and the amino functional group of the other amino acid.

Which of the following is not attached to the central carbon atom in an amino acid? - an amino functional group, an oxygen, a side chain ("R group", or a carboxyl functional group?

An oxygen

Which part of an amino acid is always acidic?

Carboxyl functional group

A polysaccharide found in animals

Glycogen

Which of these is NOT a lipid?

RNA

True or false? Enzymes in the digestive tract catalyze hydrolysis reactions.

True

What are phospholipids composed of?

a phosphate group, a glycerol, and fatty acids

A function of cholesterol that does not harm health is its role _____.

as a component of animal cell membranes

Which of these is a polysaccharide?

cellulose

glucose+glucose-->

maltose+water... dehydration synthesis

What is a source of lactose?

milk

Which monomers make up RNA?

nucleotides

Which of these is rich in unsaturated fats? - olive oil, a fat that is solid at room temperature, butter, beef fat, lard

olive oil

Which polymers are composed of amino acids?

proteins