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RNA Structure

RNA Structure
Which of the following is the smallest of the RNAs?

Messenger RNA
Ribosomal RNAs
All of these
Transfer RNAs

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RNA Structure
What is the average size (in bp) of a mature t-RNA?

80 bp
100 bp
120 bp
140 bp

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RNA Structure
Retroviruses replicate via __________ intermediate

rDNA
RNA
DNA
mRNA

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RNA Structure
Two features of the tRNA molecule associated, in converting the triplet codon to an amino acid, are

in the T Loop and D stem and loop
in the anticodon loop and the 3' CCA end
None of these
in the anticodon loop and D stem loop

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RNA Structure
In RNA, uracil pairs with

guanine
thymine
adenine
cytosine

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RNA Structure
The mRNA from which of the following would contain a poly-A tail?

Bacteriophage DNA ligase
Human insulin
A restriction endonuclease from E. coli
Bacterial alpha-amylase

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