Virus contains (1) Protein and lipid (2) Nucleic acid and protein (3) Lipid and carbohydrate (4) Carbohydrate and nucleic acid Answer : Protein and lipid...
Animals do not have enzyme systems which enable them to make use of the energy from : (1) fat (2) water (3) protein (4) carbohydrate Answer : fat...
Haemoglobin is a (1) protein (2) carbohydrate (3) fat (4) vitamin Answer : protein...
83. Which one of the following is wrong statement ? (1) Nitrosomonas and Nitrobacter are chemoautotrophs (2) Anabaena and Nostoc are capable of fixing nitrogen in free-living state also (3 ... living conditions (4) Phosphorus is a constituent of cell membranes, certain nucleic acids and all proteins Answer : Phosphorus is a constituent of cell membranes, certain nucleic acids and all proteins...
Silk fibre chemically is : (1) Carbohydrate (2) Fat (3) Protein (4) Cellulose Answer : Protein...
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