Which one of the following is the most abundant protein in the animals?
1. | Collagen | 2. | Lectin |
3. | Insulin | 4. | Hemoglobin |
Which of the following are not polymeric?
1. | nucleic acids | 2. | proteins |
3. | polysaccharides | 4. | Lipids |
The major portion of the dry weight of plants comprises of: -
1. Nitrogen, phosphorus, and potassium
2. Calcium, magnesium, and sulphur
3. Carbon, nitrogen, and hydrogen
4. Carbon, hydrogen, and oxygen