Tardigrade
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Tardigrade
Question
Chemistry
In alkaline medium, glycine exists predominantly as
Q. In alkaline medium, glycine exists predominantly as
3179
268
KCET
KCET 2011
Biomolecules
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A
zwitter ion
37%
B
anion
42%
C
covalent form
11%
D
cation
9%
Solution:
In alkaline medium (high
p
H
) amino acids exists as negatively charged particle (carboxyl group donates proton).
H
2
N
−
C
H
2
−
COO
H
High ph
H
2
N
−
C
H
2
−
CO
O
−