MCQ Book Questions

Q52160. Nucleic acid show strong absorption at one of the wavelength:

Q52161. tRNA has

Q52162. Which one of the following contributes nitrogen atoms to both purine and pyrimidine rings?

Q52163. The four nitrogen atoms of purines are derived from

Q52164. A drug which prevents uric acid synthesis by inhibiting the enzyme Xanthine oxi- dase is

Q52165. Glycine contributes to the following C and N of purine nucleus:

Q52166. Insoinic acid is the biological precursor of

Q52167. The probable metabolic defect in gents is

Q52168. In humans, the principal break down product of purines is

Q52169. A key substance in the committed step of pyrimidines biosynthesis is

Q52170. In humans, the principal metabolic product of pyrimidines is

Q52171. In most mammals, except primates, uric acid is metabolized by

Q52172. Two nitrogen of the pyrimidines ring are obtained from

Q52173. All are true about lesch-nyhan syndrome except

Q52174. Synthesis of GMP and IMP requires the following:

Q52175. Which pathway is correct for catabolism of purines to form uric acid?

Q52176. Polysemes do not contain

Q52177. The formation of a peptide bond during the elongation step of protein synthesis results in the splitting of how many high energy bonds?

Q52178. Translocase is an enzyme required in the process of

Q52179. Nonsense codons bring about NUCLEIC ACIDS 273