Unit 2-Atoms And Biomolecules

Question 1

Four bonds of tertiary structure

Answer 1

Hydrogen
Hydrophobic interactions
Ionic bond
Disulfide bridges

Question 2

Methyl

Answer 2

CH3

Question 3

Hydroxyl

Answer 3

OH

Question 4

Carbonyl

Answer 4

HO-C=O

Question 5

Amino group

Answer 5

NH2

Question 6

Ketone

Answer 6

O
||
C-C-C

Question 7

Phosphate

Answer 7

O
||
P-O
|
O

Question 8

Primary structure

Answer 8

Sequence of amino acids

Question 9

Properties of water

Answer 9

Conducts electricity
Cohesion
Adhesion
Surface tension

Question 10

Cohesion

Answer 10

Water to water through hydrogen bonding

Question 11

Cause of water properties

Answer 11

Hydrogen bonding

Question 12

Secondary structure

Answer 12

Amino group of one eminent acid bonding to the carboxyl group of another
Alpha helix and beta pleated sheet

Question 13

Adhesion

Answer 13

Water to another polar molecule through hydrogen bonding

Question 14

Hydrophilic r group

Answer 14

Polar

Question 15

Tertiary protein structure

Answer 15

R groups interacting with each other, gives protein it’s specific shape and function

Question 16

Hydrophobic r group

Answer 16

Non-polar

Question 17

Ionic r group

Answer 17

Acids and bases

Question 18

Acid

Answer 18

Negatively charged

Question 19

Quaternary protein structure

Answer 19

Multiple polypeptides interacting

Same bonds as tertiary structure

Question 20

Only amino acid with disulfide bridge

Answer 20

Cystine

Question 21

Bases

Answer 21

Positively charged