Amino Acids

Question 1

Alanine (Polar or Non-polar)

Answer 1

Non-polar

Question 2

Valine (Polar or Non-polar)

Answer 2

Non-polar

Question 3

Leucine (Polar or Non-polar)

Answer 3

Non-polar

Question 4

Isoleucine (Polar or Non-polar)

Answer 4

Non-polar

Question 5

Methionine (Polar or Non-polar)

Answer 5

Non-polar

Question 6

Phenylalanine (Polar or Non-polar)

Answer 6

Non-polar

Question 7

Tryptophan (Polar or Non-polar)

Answer 7

Non-polar

Question 8

Proline (Polar or Non-polar)

Answer 8

Non-polar

Question 9

Glycine (Polar or Non-polar)

Answer 9

Polar

Question 10

Asparagine (Polar or Non-polar)

Answer 10

Polar

Question 11

Glutamine (Polar or Non-polar)

Answer 11

Polar

Question 12

Serine (Polar or Non-polar)

Answer 12

Polar

Question 13

Cysteine (Polar or Non-polar)

Answer 13

Polar (also have some acidic qualities)

Question 14

Tyrosine (Polar or Non-polar)

Answer 14

Polar (also have some acidic qualities)

Question 15

Aspartic Acid (Acid or Base)

Answer 15

Acid

Question 16

Glutamic Acid (Acidic or Basic)

Answer 16

Acidic

Question 17

Arginine (Acidic or Basic)

Answer 17

Basic

Question 18

Lysine (Acidic or Basic)

Answer 18

Basic

Question 19

Histidine (Acidic or Basic)

Answer 19

Basic

Question 20

His, H

Answer 20

histidine

Question 21

Arg, R

Answer 21

Arginine

Question 22

Lys, K

Answer 22

Lysine

Question 23

Glu, E

Answer 23

Glutamic Acid

Question 24

Asp, D

Answer 24

Aspartic Acid

Question 25

Tyr, Y

Answer 25

Tyrosine

Question 26

Thr, T

Answer 26

Threonine

Question 27

Cys, C

Answer 27

Cysteine

Question 28

Asn, N

Answer 28

Asparagine

Question 29

Gln, Q

Answer 29

Glutamine

Question 30

Ser, S

Answer 30

Serine

Question 31

Gly, G

Answer 31

Glycine

Question 32

Ile, I

Answer 32

Isoleucine

Question 33

Phe, F

Answer 33

Phenylalanine

Question 34

Trp, W

Answer 34

Tryptophan

Question 35

Met, M

Answer 35

Methionine

Question 36

Val, V

Answer 36

Valine

Question 37

Ala, A

Answer 37

Alanine

Question 38

Pro, P

Answer 38

Proline

Question 39

Leu, L

Answer 39

Leucine

Question 40

What is the only AA that is achiral?

Answer 40

glycine

Question 41

aromatic amino acids

Answer 41

phenylalanine, tryptophan, and tyrosine

Question 42

Neutral Polar Side Chains (neutral at pH 7)

Answer 42

serine, threonine, tyrosine, cysteine, glutamine, asparagine

Question 43

Basic Amino Acid (HArLy)

Answer 43

- Histidine - Arginine - Lysine

Question 44

Why aren't asparagine or glutamine considered basic amino acids?

Answer 44

the AMIDE group in their side chain is NEUTRAL

Question 45

amino group pKa (N terminus)

Answer 45

9 (9.5)

Question 46

carboxylic acid pKa (C terminus)

Answer 46

3.5 (2-4)

Question 47

Aspartic Acid (Asp) pK

Answer 47

4

Question 48

Glutamic Acid (Glu) pK

Answer 48

4

Question 49

Histidine (His) pK

Answer 49

6

Question 50

Lysine (Lys) pK

Answer 50

10.5

Question 51

Arginine (Arg) pK

Answer 51

12.5

Question 52

essential AA’s

Answer 52

PVT TIM HALL (phenylalanine, valine, tryptophan, threonine, isoleucine, methionine, histidine, arginine, lysine, leucine)

Question 53

(essential or nonessential) phenylalanine

Answer 53

essential

Question 54

(essential or nonessential) valine

Answer 54

essential

Question 55

(essential or nonessential) threonine

Answer 55

essential

Question 56

(essential or nonessential) tryptophan

Answer 56

essential

Question 57

(essential or nonessential) isoleucine

Answer 57

essential

Question 58

(essential or nonessential) methionine

Answer 58

essential

Question 59

(essential or nonessential) arginine

Answer 59

essential

Question 60

(essential or nonessential) lysine

Answer 60

essential

Question 61

(essential or nonessential) leucine

Answer 61

essential