Biomolecules - Result Question 4
####4. Which one of the following sets of monosaccharides forms sucrose?
(a) $\alpha$-D-Galactopyranose and
[2012]
$ \alpha \text{-D-Glucopyranose } $
(b) $\alpha$-D-Glucopyranose and $\beta-D$-Fructofuranose
(c) $\beta$-D-Glucopyranose and $\alpha-D$ - Fructofuranose
(d) $\alpha$-D-Glucopyranose and $\beta-D$-Fructopyranose
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Solution:
- (b)
$\alpha$-D-Glucopyranose
$\beta$-D-Fructofuranose
Sucrose
Sucrose is a disaccharide of $\alpha$-D-Glucopyranose and $\beta-D$-Fructofuranose.
The glycoside linkage is between $C 1$ and $C 2$.
