RNA STRUCTURE QUIZ

The anticodon is a structure on

tRNA.

aribosome.

mRNA.

rRNA.

TRUE ANSWER : ?
YOUR ANSWER : ?

RNA instability in alkaline solutions is due to

adenine

uracil

single strand nature

ribose

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

in the anticodon loop and D stem loop

None of these

in the anticodon loop and the 3' CCA end

in the T Loop and D stem and loop

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is the smallest of the RNAs?

All of these

Messenger RNA

Ribosomal RNAs

Transfer RNAs

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

7-methyl-guanosine

1-methyl-guanosine

2'-O-methyl-guanosine

1-methyl-adenosine

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YOUR ANSWER : ?

The genetic material of retroviruses such as HIV is

RNA

all of these

protein

DNA

TRUE ANSWER : ?
YOUR ANSWER : ?

Retroviruses replicate via __________ intermediate

RNA

DNA

mRNA

rDNA

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

A restriction endonuclease from E. coli

Bacterial alpha-amylase

Bacteriophage DNA ligase

Human insulin

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YOUR ANSWER : ?

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

120 bp

80 bp

140 bp

100 bp

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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'-Ap Tp Cp Gp-3'

5'-Gp Cp Up Ap-3'

5'-Gp Cp Tp Ap-3'

5'-Ap Up Cp Gp-3'

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YOUR ANSWER : ?

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