All tRNAs are similar in size and have a common secondary structure known as the cloverleaf. Transfer RNAs contain modified bases and are extensively processed after transcription in both bacterial and eukaryotic cells.
-How are rare bases incorporated into tRNAs?
A) Encoded by guide RNAs
B) By chemical changes to one of the standard bases
C) Encoded by rare bases in DNA
D) Encoded by sequences in introns
Correct Answer:
Verified
Q1: When a continuous sequence of nucleotides in
Q2: Many eukaryotic genes contain exons and introns,
Q3: Eukaryotic pre-mRNAs are processed at their 5'
Q4: Introns in nuclear genes contain three consensus
Q5: Alternative splicing enables exons to be spliced
Q6: Individual nucleotides in the interior of pre-mRNA
Q8: A ribosome is a complex organelle consisting
Q9: Small interfering RNAs and microRNAs are tiny
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