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Byju's Answer
Standard IX
Biology
Disaccharides
In isomaltose...
Question
In isomaltose, are the two units same as in maltose, ie, alpha-glucose and beta-glucose? Or are both of them alpha?
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Solution
Isomaltose has alpha 1 and alpha 6 linkage between 2 glucoses... maltose has alpha 1 and alpha 4 linkage..
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Similar questions
Q.
STATEMENT-1 : Maltose is a reducing sugar.
STATEMENT-2 : Both glucose units in maltose are in pyranose form.
Q.
The
α
-D glucose and
β
-D glucose are known as
Q.
α
−
D
−
G
l
u
c
o
s
e
and
β
−
D
−
G
l
u
c
o
s
e
are not:
Q.
Following enthalpy changes are given:
α
−
D
g
l
u
c
o
s
e
(
s
)
→
α
−
D
g
l
u
c
o
s
e
(
a
q
)
;
Δ
H
=
10.72
k
J
β
−
D
g
l
u
c
o
s
e
(
s
)
→
β
−
D
g
l
u
c
o
s
e
(
a
q
)
;
Δ
H
=
4.68
k
J
α
−
D
g
l
u
c
o
s
e
(
s
)
→
β
−
D
g
l
u
c
o
s
e
(
a
q
)
;
Δ
H
=
1.16
k
J
Calculate enthalpy change in
α
−
D
g
l
u
c
o
s
e
(
s
)
→
β
−
D
g
l
u
c
o
s
e
(
s
)
(n kJ)
Q.
α
−
D
−
(
+
)
-glucose and
β
−
D
−
(
+
)
-glucose are:
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