Exam 3

Question 1

Answer 1

isoleucine

Question 2

Answer 2

small organic molecule obtained from the diet and necessary for good health.

Question 3

Answer 3

structural protein

Question 4

The C-terminal amino acid in the peptide Ala-Leu-Gly-His-Pro is

alanine
leucine
glycine
histidine
proline

Answer 4

proline

Question 5

Answer 5

zymogen

Question 6

Answer 6

allosteric enzymes

Question 7

Answer 7

increasing the product

Question 8

Answer 8

amide

Question 9

Answer 9

Question 10

Answer 10

specificity

Question 11

Answer 11

cofactor

Question 12

Answer 12

glutamine and serine

Question 13

Answer 13

Question 14

Answer 14

formic, HCO2H

Question 15

Answer 15

lowering the value of the activation energy.

Question 16

Answer 16

irreversible inhibition.

Question 17

Answer 17

Question 18

Answer 18

storage of energy

Question 19

Answer 19

The rate increases directly as the concentration of enzyme increases with excess substrate.

Question 20

Answer 20

turnover number

Question 21

Answer 21

Question 22

Answer 22

ethyl butanoate

Question 23

Answer 23

hydrogen bonds between the carbonyl and amino groups of the backbone.

Question 24

Answer 24

0

Question 25

Answer 25

Transfer of an amino group from aspartate to another substrate.

Question 26

Answer 26

is in low concentration relative to the substrate, and the reaction rate approaches its maximum.

Question 27

Answer 27

induced-fit

Question 28

Answer 28

oxidoreductase

Question 29

Answer 29

vitamins A and D are fat soluble and thus can accumulate in body fat, where vitamin C is water soluble and the excess will be excreted in urine.

Question 30

Answer 30

secondary and tertiary structure.

Question 31

Answer 31

both A and C

Question 32

Answer 32

competitive inhibiton

Question 33

Answer 33

Question 34

Answer 34

glycine

Question 35

Answer 35

isomerase

Question 36

Answer 36

oxalic acid, pKa1 = 1.27

Question 37

Answer 37

when they behave as acids, the -OH group is lost leaving the CO- ion.

Question 38

Answer 38

Question 39

Answer 39

hydrophobic

Question 40

Answer 40

esters

Question 41

Answer 41

Question 42

Answer 42

CH3CH2CH2CH2CH2COO-Na+

Question 43

Answer 43

All of these are correct.

Question 44

Answer 44

N-methylbutanamide

Question 45

Answer 45

CH3CH2CH2COOH + HOCH2CH3