MCQ
Glycogen is a homopolymer made of.
- AGlucose units.
- BGalactose units.
- CRibose units.
- DAminoacids.
Explanation:
Glycogen is the storage polysaccharide present in animals. Glycogen consist of glucose molecule linked together with $\alpha(1\rightarrow4)$ linkages with $\alpha(1\rightarrow6)$ branch points occurring every 8-12 residues. Galactose, on the other hand is a monosaccharide, and combines with glucose through condensation reaction, resulting in the formation of disaccharide, lactose. Ribose is a pentose monosaccharide which has all hydroxyl groups on the same side in fisher projection. It forms a part of backbone in RNA and DNA. Amino acids are the monomers of proteins.
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$\begin{array}{|l|l|} \hline Column\,\,-\,\,I & Column\,\,-\,\,II \\ \hline (a)\,\,Trygon & (i)\,\,Echinodermata \\ \hline (b)\,\,Ascidia & (ii)\,\,Viviparous \\ \hline (c)\,\,Asterias & (iii)\,\,Chondrichthyes \\ \hline (d)\,\,Kangaroo & (iv)\,\,Oviparous \\ \hline (e)\,\,Penguin & (v)\,\,Urochordata \\ \hline \end{array}$