After transcription and before translation,eukaryotic mRNA is modified by adding
A) tRNAs and amino acids.
B) amino acids and a poly-A tail.
C) a cap of modified nucleotides and a poly-A tail.
D) an AUG at one end and a poly-U tail at the other.
Correct Answer:
Verified
Q20: DNA replication is necessary so that
A)transcription can
Q21: Which codons are synonymous?
A)CAC and CAG
B)CAC and
Q22: If part of a DNA template is
Q23: A benefit of alternate splicing of introns
Q24: A mutation that adds one or two
Q26: Rett syndrome and homeotic mutations result from
Q27: Ribosomal RNAs
A)are translated from DNA.
B)are synthesized by
Q28: The genetic code is
A)triplet,overlapping,and not universal.
B)triplet,non-overlapping,and universal.
C)quarternary,overlapping,and
Q29: The scientists who identified a set of
Q30: Parts of an mRNA molecule that are
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