Biochemistry

Which of the following residue in DNA exists predominantly as the keto tautomer?

A. Cytosine
B. Guanine
C. Alanine
D. Thymidine

D-galactose upon reduction gives

A. D-sorbitol
B. D-Ribitol
C. D-Dulicitol
D. D-Mnnitol

Glycoprotein laminin functions as

A. Transporter
B. Blood clotting
C. Antigens
D. Cell recognition and adhesion

what is the common name of cis-9-octadecanois acid?

A. Oleic acid
B. Linoleic acid
C. Lauric acid
D. Palmitoleic acid

For Vitamin D1

A. 1 IU is contained in 76 mg of standard preparation
B. 1 IU is present in 0.344 μg of standard preparation
C. 1 IU is contained in 0.025 μg of standard preparation
D. 1 IU is present in 7 μg of standard preparation

Tyrosine gives the entire test positive except……..

A. Xanthoprotic reaction

B. Folin-Coicalteau’s test

C. Millons reaction

D. Hopkins-Cole reaction

Which of the following test is specific for the ketone bodies?

A. Rothera’s test
B. Gammelin’s test
C. Hay,s test
D. Fouchet’s test

Which of the following test are positive for bile salts?

A. Hay’s test
B. Patternkofer’s test
C. A & B both
D. None of above

Which of the following does not cause haemolysis in GP6D?

A. Primaquin

B. Sulfonamide

C. Asprin

D. Penicillin