1. To facilitate movement of mRNA from the nucleus into the cytoplasm, what is added to the 5’ end of mRNA? (a) A poly-

[answerhappygod]

1. To facilitate movement of mRNA from the nucleus into
the cytoplasm, what is added to the 5’ end of
mRNA?
(a) A poly-A tail
(b) A methyl guanosine cap
(c) Transcription factors
(d) A phosphate group
2. Which of the following statements is
false?
(a) Multiple RNA polymerase complexes can be bound the
DNA molecules at the same time, thereby speeding the rate of
mRNA synthesis.
(b) Similar to DNA polymerase II, RNA polymerases
proofread mRNA strands to ensure the correct nucleotides are added
to the newly synthesized RNA strands.
(c) There exists no Okazaki fragments in the process of
transcription because only one strand is being
synthesized.
(d) Once the terminator sequence is reached, mRNA
synthesis is stopped and the strand is released from the
transcription machinery.
14. During translation, the tRNA with a growing
polypeptide chain is always bound to which site?
(a) E site
(b) P site
(c) A site