Match List I with List II Choose the correct answer from the...

Starch is formed from alpha glucose, while cellulose is made of beta glucose. The differences in the linkages lead to variances in 3-D structure and function. Starch can be straight or branched and is used as energy storage for plants because it can form compact structures and is easily broken down.

Nucleic acids are made of nitrogen-containing bases, phosphate groups, and sugar molecules. Each type of nucleic acid has a distinctive structure and plays a different role in our cells. A nucleotide is the basic building block of nucleic acids (RNA and DNA).

Proteins are made up of hundreds or thousands of smaller units called amino acids, which are attached to one another in long chains. There are $20$ different types of amino acids that can be combined to make a protein.

Hence, the answer is option D.