Medical MCQs

5099 MCQs  (Page 31 of 510)

Alkaptonuria an inherited metabolic disorder is due to the deficiency of____________?
A. Homogentisate oxidase
B. Cystathionase
C. Pheylalanine hydroxylase
D. Tyrosine transaminase
DNA double helix is bound by_____________?
A. Covalent bond
B. Hydrogen bond
C. Disulfide linkage
D. Vander wall forces
Genes are_____________?
A. Ribonucleic acid
B. Deoxy ribonucleic acid
C. Lipoproteins
D. Chromo proteins
Restriction endonuclease cleaves______________?
A. Double stranded dna
B. Single stranded dna
C. Single stranded rna
D. Polypeptide