1641. The enzyme responsible for the synthesis of tRNA in eukaryotic cells is :
A. RNA polymerase I
B. RNA polymerase II
C. RNA polymerase III *
D. RNA polymerase IV
1642. Inosine Monophosphate is converted to Guanosine Mono Phosphate (GMP) by :
A. Adenylosuccinate synthase
B. Carboxylase
C. Catalase
D. Inosine Monophosphate dehydrogenase
E. Transferase *
1643. Which of the following enzymes is a DNA-dependent RNA polymerase :
A. DNA ligase
B. Primase *
C. DNA Polymerase III
D. DNA polymerase I
E. Reverse transcriptase
1644. Which of the following amino acid has maximum number of cordons ?
A. Alanine
B. Glutamine
C. Proline
D. Serine *
E. Tryptophan
1645. From CTGAC’s DNA base sequence, the complementary messenger RNA strand that would be produced would be:
A. GACTG
B. UGACU
C. AGTUG
D. GACUG *
E. GACGU
1646. The formation of defective hemoglobin in sickle cell anemia is due to :
A. Frame shift mutation
B. Deletion mutation
C. Non sense mutation *
D. Mis-Sense mutation
E. Silent mutation
1647. Cellular content of ribosomal RNA is present in highest concentration in :
A. Nucleus
B. Ribosome *
C. Mitochondria
D. Cytoplasm
E. None of the above
1648. The CTGAC DNA base sequence could be synthesized into the complementary messenger RNA strand that looks like this:
A. GACTG
B. UGACU
C. AGTUG
D. GACUG *
E. GACGU
1649. Okazaki fragments are formed during the synthesis of :
A. Messenger RNA
B. Transfer RNA
C. Ribosomal RNA
D. DNA *
E. None of the above
1650. Deoxyribonucleotides are added to RNA primer by :
A. DNA polymerase I
B. DNA polymerase II
C. DNA polymerase III *
D. RNA-polymerase II
E. RNA-polymerase III