Multiple Choice
The enzyme poly-A polymerase is responsible for adding 3' poly-A tails to eukaryotic mRNAs. This enzyme...
A) cuts the mRNA after recognition of the cleavage/polyadenylation signal by CstF and CPSF proteins.
B) polymerizes the tail using an RNA template that is part of the enzyme.
C) is extremely processive.
D) normally adds about 1000 A nucleotides to the mRNA.
E) uses ATP as a substrate.
Correct Answer:

Verified
Correct Answer:
Verified
Q5: Indicate true (T) and false (F) statements
Q6: Activation of an amino acid by an
Q7: Indicate whether each of the following is
Q8: Fill in the blank. These RNA molecules
Q9: What enzyme is depicted in the following
Q11: Three consecutive nucleotides in RNA (such as
Q12: This complex uses ATP and forms an
Q13: In humans, nearly 80% of proteins are
Q14: Polysomes...<br>A) are large cytoplasmic assemblies made of
Q15: In a gene that normally contains three