During the process of digestion, the proteins present in food materials are hydrolyzed to amino acids. The two enzymes involved in the process
Proteins Polypeptides Amino acids are respectively
1. amylase and maltase
2. diastase and lipase
3. pepsin and trypsin
4. invertase and zymase
Phospholipids are esters of glycerol with
1. one carboxylic acid residue and two phosphate groups
2. three phosphate groups
3. three carboxylic acid residues
4. two carboxylic acid residues and one phosphate groups
Compound that gives positive Fehling's solution test is :
1. Sucrose
2. Glucose
3. Fat
4. Protein
Which of the following is the sweetest sugar?
1. Sucrose
2. Glucose
3. Fructose
4. Maltose
a-D-(+)-glucose and b-D-(+)-glucose are
1. | Anomers | 2. | Epimers |
3. | Enantiomers | 4. | Geometrical isomers |
The couplings between base units of DNA is through :
1. | Hydrogen bonding | 2. | Electrostatic bonding |
3. | Covalent bonding | 4. | Van der waal's forces |
The segment of DNA which acts as the instrumental manual for the synthesis of the protein is
1. nucleotide
2. ribose
3. gene
4. nucleoside
Which of the following structures represents the peptide chain ?
1.
2.
3.
4.
On hydrolysis of starch, we finally get
1. glucose
2. fructose
3. Maltose
4. Both 1 and 3
The correct option about the presence of H-bond in nucleotides is:
1. A-T, G-C
2. A-G, T-C
3. G-T, A-C
4. A-A, T-T