RNA STRUCTURE QUIZ

The genetic material of retroviruses such as HIV is

RNA

DNA

protein

all of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Retroviruses replicate via __________ intermediate

mRNA

DNA

rDNA

RNA

TRUE ANSWER : ?
YOUR ANSWER : ?

In RNA, uracil pairs with

guanine

thymine

adenine

cytosine

TRUE ANSWER : ?
YOUR ANSWER : ?

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

2'-O-methyl-guanosine

1-methyl-guanosine

1-methyl-adenosine

7-methyl-guanosine

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Bacterial alpha-amylase

A restriction endonuclease from E. coli

Bacteriophage DNA ligase

Human insulin

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YOUR ANSWER : ?

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 Up Cp Gp-3'

5'-Ap Tp Cp Gp-3'

5'-Gp Cp Tp Ap-3'

5'-Gp Cp Up Ap-3'

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The tertiary structure of yeast tRNA

involves extensive base stacking interactions

All of these

is maintained mostly by non-Watson-Crick base pairing

resembles the 3-dimensional structure of other tRNAs

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of following RNA characteristically contains unusual purines and pyrimidmes?

nRNA

rRNA

mRNA

tRNA

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Which of the following is the smallest of the RNAs?

Messenger RNA

Transfer RNAs

Ribosomal RNAs

All of these

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The anticodon is a structure on

tRNA.

aribosome.

mRNA.

rRNA.

TRUE ANSWER : ?
YOUR ANSWER : ?

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