True regarding Protein metabolism:
A. Proteins contain about 40 per cent nitrogenB. Chains containing >100 amino acid residues are calledproteins
C. Proteins yield 4 calories per gram absorbed
D. During pregnancy, there is a rise in the plasmaconcentration of triglycerides
E. During pregnancy, there is a rise in the plasmaconcentration of albumin
Ans. B. D
A. WRONG. Protein
on average is composed of 16 per centnitrogen and 84 per cent of carbon,
hydrogen and sulphurcombined.
B. CORRECT. Peptide
chains contain 2–10 amino acid residues,while polypeptide chains contain >10
to over 100 amino acidresidues.
C. WRONG. The
yield is 4 kcal per gram absorbed.
D. CORRECT.
E. WRONG. In the
case of pre-eclampsia, where the liver isaffected, there is a further fall in
albumin concentration.
