RNA STRUCTURE QUIZ

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

Bacteriophage DNA ligase

Human insulin

Bacterial alpha-amylase

A restriction endonuclease from E. coli

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

None of these

in the anticodon loop and the 3' CCA end

in the T Loop and D stem and loop

in the anticodon loop and D stem loop

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The anticodon is a structure on

rRNA.

aribosome.

tRNA.

mRNA.

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

2'-O-methyl-guanosine

1-methyl-guanosine

7-methyl-guanosine

1-methyl-adenosine

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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'-Gp Cp Up Ap-3'

5'-Ap Tp Cp Gp-3'

5'-Ap Up Cp Gp-3'

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RNA instability in alkaline solutions is due to

uracil

ribose

adenine

single strand nature

TRUE ANSWER : ?
YOUR ANSWER : ?

In RNA, uracil pairs with

adenine

thymine

cytosine

guanine

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The genetic material of retroviruses such as HIV is

RNA

all of these

protein

DNA

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Retroviruses replicate via __________ intermediate

rDNA

DNA

RNA

mRNA

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Which of the following is the smallest of the RNAs?

Messenger RNA

All of these

Ribosomal RNAs

Transfer RNAs

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