Module 1 Flashcards
(37 cards)
1
Q
AA L
A
Leucine
2
Q
AA G
A
Glycine
3
Q
AA I
A
Isoleucine
4
Q
AA M
A
Methionine
5
Q
AA D
A
Aspartate
6
Q
AA E
A
Glutamate
7
Q
AA C
A
Cysteine
8
Q
AA N
A
Asparagine
9
Q
AA Q
A
Glutamine
10
Q
AA P
A
Proline
11
Q
AA S
A
Serine
12
Q
AA A
A
Alanine
13
Q
AA V
A
Valine
14
Q
AA F
A
Phenylalanine
15
Q
AA W
A
Tryptophan
16
Q
AA Y
A
Tyrosine
17
Q
AA K
A
Lysine
18
Q
AA R
A
Arginine
19
Q
AA H
A
Histidine
20
Q
AA T
A
Threonine
21
Q
T or F: ALL amino acids have STRICTLY one chiral center
A
F
22
Q
Which amino acid/s have two or more chiral centers?
A
Isoleucine - 2
Threonine - 2
23
Q
Which amino acid/s has NO chiral center?
A
Glycine
24
Q
This amino acid has the R group connected to the secondary carbon instead of the alpha-carbon
A
Proline
25
Amino acids that are derived from external sources
Essential amino acids
26
Amino acids that can be synthesized by the body
Nonessential amino acids
27
What are the essential amino acids?
M I L K T H R W F V
28
T or F: Throughout the human life, Arg and His are essential amino acids.
False. They are essential only in juveniles, not in adults.
29
Tyrosine can be synthesized from which amino acid?
Phenylalanine
30
Amino acids with nonpolar, hydrophobic chains as R group.
G A V L I F W P M
31
Amino acids with polar, uncharged side chains as R group.
S T Y N Q C
(Stay in QC)
32
Amino acids with polar, charged side chains as R group.
Basic
- K R H
Acidic
- D E
33
~ Chain Questions ~
What amino acid has a thiol group (-SH)? The thiol group in this amino acid helps form which type of bond? This type of bond helps stabilize which level of protein structure?
Cysteine.
Disulfide bond.
Tertiary.
34
Molecules which bear charged groups of opposite polarity.
Zwitterions
35
Zwitterions are also called _______________.
Dipolar ions
36
Which amino acids have ionizable groups in the R side chain?
C Y D E H K R
37
It is the pH in which a molecule has no net charge.
Isoelectric point
