Most of the polymerization reactions result from:

1.	Redox reactions	2.	Dehydration synthesis
3.	Hydrolysis	4.	Isomerization

The R group in a proteinaceous amino acid is hydroxymethyl. This amino acid:
1. is not an essential amino acid
2. is not genetically coded for
3. is involved in disulfide linkage
4. is acidic in nature

The given compound:

Identify the given nitrogenous base:

Which of the following components is found in least amounts in an average cell?

Most abundant protein in the whole of the biosphere is:

Inulin is a:
1. Disaccharide containing two galactose
2. Disaccharide containing fructose and galactose
3. Polymer of fructose
4. Polysaccharide used in microbial culture

Adenine and guanine are:
1. Substituted purines
2. Substituted pyrimidines
3. Deoxyribonucleosides
4. Ribonucleotides

The first amino acid in the primary structure of a protein is termed as:

Quaternary structure is seen in proteins that:
1. act as biochemical catalysts
2. are embedded within the plasma membrane
3. are assembly of more than one subunits
4. do not have any structural role in the cell