NAS 2 Practice Test - Macromolecules

What does dehydration synthesis do?

• Break polymers into monomers.

• Break monomers into polymers.

• Link monomers into polymers.

• Link polymers into monomers.

What does hydrolysis do?

• Break monomers into polymers.

• Break polymers into monomers.

• Link monomers into polymers.

• Link polymers into monomers.

A single sugar molecule is called a:

• Starch

• Polysaccharide

• Disaccharide

• Monosaccharide

Glycogen is a _______ and it is mainly used for ______.

• carbohydrate, storing/supplying energy.

• carbohydrate, speeding up chemical reactions.

• protein, storing/supplying energy.

• protein, speeding up chemical reactions.

Many lipids have which molecule as part of their structure?

• Amino acid

• Glucose

• Fatty acid

• Monosaccharide

A triglyceride is a _____, and it is mainly used for ________.

• carbohydrate, storing/supplying energy.

• lipid, speeding up chemical reactions.

• carbohydrate, speeding up chemical reactions.

• lipid, storing/supplying energy.

Which is the monomer of proteins?

• Amino acids

• R groups

• Polypeptides

• Amino groups

Tags

NGSS.HS-LS1-6

Which best describes tertiary structure?

• The amino acid sequence of a polypeptide.

• The overall shape of one polypeptide.

• The shape from interaction between separate polypeptides.

• The structure of a small region of a polypeptide.

If a protein’s shape is changed enough to destroy its function, what is that called?

• Quaternary structure

• Primary structure

• Denatured

• Renatured

Which is not a component of an amino acid?

• Amino group (-NH2)

• Central carbon

• R group

• Carboxyl group (-COOH)

• Nitrogenous base