Which prosthetic group is present in glycoproteins?

Glycogen is a branched chain polymer of $\alpha-D$-glucose units in which the chain is formed by $C_1-C_4$ glycosidic linkage,whereas branching occurs by the formation of $C_1-C_6$ glycosidic linkage. The structure of glycogen is similar to:

Match List-$I$ with List-$II$:

List-$I$	List-$II$
$A$. $\alpha$-Glucose and $\alpha$-Galactose	$I$. Functional isomers
$B$. $\alpha$-Glucose and $\beta$-Glucose	$II$. Homologous
$C$. $\alpha$-Glucose and $\alpha$-Fructose	$III$. Anomers
$D$. $\alpha$-Glucose and $\alpha$-Ribose	$IV$. Epimers

Choose the correct answer from the options given below:

Number of stereo centers present in linear and cyclic structures of glucose are respectively

$A$ carbohydrate consists of

What are $\beta - D - \text{glucose}$ and $\beta - D - \text{galactose}$ known as in relation to each other?