MCQ Book Questions

Q50700. When the net charge on an amino acid is zero, the pH is maintained as?

Q50701. Isoelectric point of amino acids is used for

Q50702. Xanthoproteic test is positive in proteins containing

Q50703. All α-amino acids give positive

Q50704. N-terminal amino acids of a polypeptide are estimated by

Q50705. Million’s test is positive for

Q50706. Indole group of tryptophan responses positively to

Q50707. Guanidine group of argentine gives positive test with

Q50708. Thiol group of cysteine gives red colour with

Q50709. Protein deficiency disease is known as

Q50710. A vegetable source of protein is

Q50711. Oxaloacetate is converted to aspartic acid by

Q50712. Deficiency of biotin results in decrease in

Q50713. The precursor of bile salts, sex hormones and vitamin D is

Q50714. Most of calcium is present in bone, but 2% present in soft tissue and the blood is called

Q50715. Calcium present with protein is known as free while in salt form is called as

Q50716. The following ions help in enzymatic transfer of phosphate from ATP to pyruvic acid:

Q50717. International enzyme commission classi- fies enzymes into

Q50718. Michaelis – Menten equation is used to explain the effect of substrate concentra- tion on

Q50719. The pH at which an enzyme has maximum activity is known as