PRELAB 3.5 STRUCTURE OF PROTEINS

Question 1

Protein is an important class of ________ which are the ____ of AA

Answer 1

biological macromolecules
polymers

Question 2

Proteins perform functions that are necessary for growth and survival as well as _______

Answer 2

for the normal physiological processes or functions of a living organism

Question 3

What are the levels of structural organization of proteins

Answer 3

Primary structure -
Secondary structure
Tertiary structure -
Quaternary structure

Question 4

Primary structure

Answer 4

simplest form; containing AA seq

Question 5

Secondary structure
examples

Answer 5

loca folding of PP chain into regular sub-structures
Alpha helix
Beta-pleated sheet

Question 6

Tertiary

Answer 6

3D

Question 7

Quaternary

Answer 7

complex of protein molecules

Question 8

AA seq are linked together by the ff bonds:

Answer 8

Hydrogen bonding
disulfide bridges
hydrophobic bonding

Question 9

The type of bonding in protein are indicated by the

Answer 9

difference in side chains and structure