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RNA Structure

RNA Structure
RNA instability in alkaline solutions is due to

ribose
uracil
adenine
single strand nature

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

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

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RNA Structure
In RNA, uracil pairs with

cytosine
thymine
guanine
adenine

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RNA Structure
The genetic material of retroviruses such as HIV is

DNA
all of these
protein
RNA

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

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

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

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