A) Autocatalytic activation of zymogen precursor B) Tight binding of pancreatic trypsin inhibitor C) Cleavage of protein on the carboxyl site of serine residues D) Presence of Ser-His-Asp catalytic triad at the active site Answer (Select an option above to get the answer):
(Single Best Answer) Question 64: 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 Polymerase I Answer (Select an option above to get the answer):
(Single Best Answer) Question 65: During phagocytosis, the metabolic process called respiratory burst involves the activation of ?
A) Oxidase B) Hydrolase C) Peroxidase D) Dehydrogenase Answer (Select an option above to get the answer):
A) Changes one codon for an amino acid into another codon for that same amino acid B) Codon for one amino acid is changed into a codon of another amino acid C) Reading frame changes downstream to the mutant site D) Codon for one amino acid is changed into a translation termination codon Answer (Select an option above to get the answer):
A) Isocitrate dehydrogenase B) Homocysteine methyl transferase C) Glycogen synthase D) G-6-P dehydrogenase Answer (Select an option above to get the answer):
(Single Best Answer) Question 69: The normal cellular counterparts of oncogenes are important for the following functions except ?
A) Promotion of cell cycle progression B) Inhibition of apoptosis C) Promotion of DNA repair D) Promotion of nuclear transcription Answer (Select an option above to get the answer):
A) Of its large size B) The vesicle looses its clathrin coat C) Of the acidic pH of the vesicle D) Of the basic pH of the vesicle Answer (Select an option above to get the answer):