1
Q
O
| |
— C — OH
A
Carboxyl
2
Q
—COOH
A
Carboxyl
3
Q
. _
—COO
A
Carboxyl
4
Q
Acid, donates H+, hydrophilic
A
Carboxyl
5
Q
—O—H
A
Hydroxyl
6
Q
—OH
A
Hydroxyl
7
Q
Polar, forms hydrogen bonds, hydrophilic
A
Hydroxyl
8
Q
H
|
—N—H+
|
H
A
Amino
9
Q
-NH2
A
Amino
10
Q
-NH3+
A
Amino
11
Q
Base, picks up H+
A
Amino
12
Q
—SH
A
Sulfhydryl
13
Q
Two covalently bond to each other, stabilizes proteins
A
Sulfhydryl
14
Q
O
|
— P — OH
|
OH
A
Phosphate
15
Q
2-
-PO3
A
Phosphate
16
Q
Negative, base, releases energy when reacts with water
A
Phosphate
17
Q
H
|
—C—H
|
H
A
Methyl
18
Q
-CH3
A
Methyl
19
Q
Hydrophobic, affects shape & hence function
A
Methyl
Biology
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