4.4 Vocab mastery quiz

Question 1

A molecular subunit used to build a macromolecule.

Answer 1

Monomer

Question 2

A structure of multiple monomers bonded together.

Answer 2

Polymer

Question 3

The C-N covalent bond that is formed between the carboxyl group of on amino acid and the amino group of another amino acid.

Answer 3

Peptide Bond

Question 4

A chain of amino acids bonded together.

Answer 4

Polypeptide

Question 5

Amino end of an amino acid chain.

Answer 5

N-Terminus

Question 6

Carboxyl end of a polypeptide.

Answer 6

C-Terminus

Question 7

Part of an amino acid that is notated -NH2.

Answer 7

Amino Group

Question 8

Part of an amino acid that is notated -COOH.

Answer 8

Carboxyl group

Question 9

Specific subunit of protein polymers.

Answer 9

amino acids

Question 10

The secondary structure of a coiled polypeptide.

Answer 10

alpha helix

Question 11

A protein’s distinctive three-dimensional shape.

Answer 11

tertiary structure

Question 12

The combination of more than one polypeptide, called subunits, into one structure, or complex.

Answer 12

quaternary structure

Question 13

a secondary structure motif in which regions of the polypeptide lie parallel to each other

Answer 13

beta pleated sheet