amino acids

Question 1

nonpolar (hydrophobic) side chains

(9)

Answer 1

• glycine
• alanine
• valine
• leucine
• isoleucine
• proline
• phenylalanine
• tryptophan
• methionine

Question 2

polar (hydrophilic) side chains

(6)

Answer 2

• asparagine
• glutamine
• serine
• threonine
• tyrosine
• cysteine

Question 3

acidic side chains

Answer 3

• aspartic acid
• glutamic acid

Question 4

basic side chains

Answer 4

• arginine
• histidine
• lysine

Question 5

what is the basic structure of an amino acid?

draw it!

Answer 5

Question 6

abbreviations

glycine

Answer 6

Gly G

nonpolar

Question 7

abbreviations

alanine

Answer 7

Ala A

nonpolar

Question 8

abbreviations

valine

Answer 8

Val V

nonpolar

Question 9

abbreviations

leucine

Answer 9

Leu L

nonpolar

Question 10

abbreviations

isoleucine

Answer 10

Ile I

nonpolar

Question 11

abbreviations

proline

Answer 11

Pro P

nonpolar

Question 12

abbreviations

phenylalanine

Answer 12

Phe F

nonpolar

Question 13

abbreviations

tryptophan

Answer 13

Trp W

nonpolar

Question 14

abbreviations

methionine

Answer 14

Met M

nonpolar

Question 15

abbreviations

asparagine

Answer 15

Asn N

polar

Question 16

abbreviations

glutamine

Answer 16

Gln Q

polar

Question 17

abbreviations

serine

Answer 17

Ser S

polar

Question 18

abbreviations

threonine

Answer 18

Thr T

polar

Question 19

abbreviations

tyrosine

Answer 19

Tyr Y

polar

Question 20

abbreviations

cysteine

Answer 20

Cys C

polar

Question 21

abbreviations

aspartic acid

Answer 21

Asp D

acidic

Question 22

abbreviations

glutamic acid

Answer 22

Glu E

acidic

Question 23

abbreviations

arginine

Answer 23

Arg R

basic

Question 24

abbreviations

histidine

Answer 24

His H

basic

Question 25

# abbreviations **lysine**

Answer 25

**Lys** *K* ## Footnote basic