A function of which initiation factor is to prevent premature joining of the large and small ribosomal subunits?
A. eIF1A in eukaryotes and IF-1 in bacteria
B. eIF2 in eukaryotes and IF-2 in bacteria
C. eIF5 in eukaryotes and IF-3 in bacteria
D. eIF3 in eukaryotes and IF-3 in bacteria
The general name for enzymes that catalyze RNA synthesis directed by a DNA template is:
A. RNA synthetase.
B. RNA polymerase.
C. polynucleotide phosphorylase.
D. RNase.
E. DNA polymerase.
What advantage would using human artificial chromosomes (HAC) for gene therapy have over introducing genes into the genome randomly?
What will be an ideal response?
Which of the following best describes the composition of the bacterial translation initiation complex?
A. 30S and 50S subunits, mRNA start codon paired with the anticodon of fMet-tRNAfMet, fMet-tRNAfMet bound in the P site, A site is open, GTP is bound by IF-2
B. 30S and 50S subunits, mRNA start codon paired with the anticodon of fMet-tRNAfMet, fMet-tRNAfMet bound in the P site, A site is open
C. 30S and 50S subunits, mRNA start codon paired with the anticodon of fMet-tRNAfMet, fMet-tRNAfMet bound in the A site, P site is open
D. 30S and 50S subunits, mRNA start codon paired with the anticodon of fMet-tRNAfMet, fMet-tRNAfMet bound in the A site, P site is open, GTP is bound by IF-2
What is the main difference between siRNA and miRNA?
A. siRNAs are involved in RNA interference; miRNAs are not.
B. miRNAs are encoded by the genome; siRNAsare not.
C. miRNAs are processed by Dicer; siRNAs are not.
D. siRNAs are double-stranded; miRNAs are not.
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