Name the macromolecules that are chosen as drug targets.

Carbohydrates are

The correct statement$(s)$ about the following sugars $X$ and $Y$ is(are):
$(A)$ $X$ is a reducing sugar and $Y$ is a non-reducing sugar
$(B)$ $X$ is a non-reducing sugar and $Y$ is a reducing sugar
$(C)$ The glycosidic linkages in $X$ and $Y$ are $\alpha$ and $\beta$,respectively
$(D)$ The glycosidic linkages in $X$ and $Y$ are $\beta$ and $\alpha$,respectively

Which of the following is an incorrect match?

The reagents with which glucose does not react to give the corresponding tests/products are
$A$. Tollen's reagent
$B$. Schiff's reagent
$C$. $HCN$
$D$. $NH_2OH$
$E$. $NaHSO_3$
Choose the correct options from the given below:

Which glycosidic linkage between galactose and glucose is present in lactose?