3.3 Study Guide

Question 1

a coiled or pleated pattern of protein structure caused by regular intervals of H bonds

Answer 1

secondary structure

Question 2

polypeptide chain

Answer 2

three or more amino acids joined in a linear chain

Question 3

folding of protein through interactions among R groups of a polypeptide chain

Answer 3

tertiary structure

Question 13

primary structure

Answer 13

lowest level of protein structure; has a linear, unique sequence of amino acids

Question 15

the type of covalent bond linking one amino acid with another

Answer 15

peptide bond

Question 16

quaternary structure

Answer 16

hemoglobin, a globular protein of four chains is an example a protein with this

Question 17

breaking weak bonds in large molecules (such as proteins) to change it shape so it no longer functions

Answer 17

denaturation

Question 18

amino acid

Answer 18

a small organic compound having an amino group, a carboxylic acid group, a hydrogen atom, and an R group