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RNA Structure

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

Ribosomal RNAs
Transfer RNAs
Messenger RNA
All of these

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RNA Structure
During RNA synthesis, the DNA template sequence 5'Tp Ap Gp Cp 3' Would be transcribed to produce which of the following RNA sequence?

5'-Gp Cp Tp Ap-3'
5'-Ap Up Cp Gp-3'
5'-Ap Tp Cp Gp-3'
5'-Gp Cp Up Ap-3'

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RNA Structure
RNA instability in alkaline solutions is due to

ribose
uracil
single strand nature
adenine

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RNA Structure
What modified base is at the 5' extremity of a capped eukaryotic m-RNA?

2'-O-methyl-guanosine
7-methyl-guanosine
1-methyl-adenosine
1-methyl-guanosine

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RNA Structure
A nicked RNA molecule can be ligated by

T4 DNA ligase
DNA polymerase
T4 RNA ligase
all of these

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RNA Structure
The genetic material of retroviruses such as HIV is

all of these
protein
DNA
RNA

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