Vitamin B12 acts as co-enzyme to which one of the following enzymes? A. Isocitrate dehydrogenase B. Homocysteine methyl transferase C. Glycogen synthase D. G-6-P dehydrogenase Correct answer :
The following methods can be used to detect the point mutation in the beta (B)-globin gene that causes sickle cell anemia, except: A. Polymerase chain reaction with allele-specific
Base substitution mutations can have the following molecular consequence except: A. Changes one codon for an amino acid into another codon for that same amino acid B. Codon
All of the following cell types contain the enzyme telomerase which protects the length of telomeres at the end of chromosomes, except: A. Germinal B. Somatic C. Hemopoietic
During replication of DNA, which one of the following enzymes polymerizes the Okazaki fragments? A. DNA Polymerase I B. DNA Polymerase II C. DNA Polymerase III D. RNA
Which one of the following is the complementary sequence of 5′ TTAAGCGTAC 3′? A. 5’ GTACGCTTAA 3′ B. 5’ AATTCGCATG 3‘ C. 5‘ CATGCGAATT 3’ D. 5’ TTAAGCGTAC
The sigma subunit of prokaryotic RNA polymerase: A. Binds the antibiotic rifampicin B. Is inhibited by tx-amanitin C. Specifically recognizes the promoter site D. ls part of the
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