Energy released by the hydrolysis of one molecule of $ATP$ is (in $kcal$)

To which of the following families do folic acid and pantothenic acid belong?

When corn is boiled in water and then allowed to cool,the solution becomes sweet. This is due to:

Calciferol is

$A$ pyrophosphate cleavage takes place when

$A$: Dextrins are intermediate polysaccharides formed during the hydrolysis of starch into sugar.
$R$: Ascorbic acid is a sugar derivative.