RNA STRUCTURE QUIZ

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 anticodon is a structure on

mRNA.

aribosome.

rRNA.

tRNA.

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of following RNA characteristically contains unusual purines and pyrimidmes?

rRNA

nRNA

mRNA

tRNA

TRUE ANSWER : ?
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The genetic material of retroviruses such as HIV is

protein

all of these

DNA

RNA

TRUE ANSWER : ?
YOUR ANSWER : ?

In RNA, uracil pairs with

cytosine

thymine

adenine

guanine

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YOUR ANSWER : ?

The tertiary structure of yeast tRNA

is maintained mostly by non-Watson-Crick base pairing

All of these

resembles the 3-dimensional structure of other tRNAs

involves extensive base stacking interactions

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YOUR ANSWER : ?

What is the function of messenger RNA?

It is the genetic material of some organisms

It carries amino acids

It is a component of the ribosomes

It is a direct copy of a gene

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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'-Ap Up Cp Gp-3'

5'-Gp Cp Tp Ap-3'

TRUE ANSWER : ?
YOUR ANSWER : ?

Retroviruses replicate via __________ intermediate

DNA

RNA

rDNA

mRNA

TRUE ANSWER : ?
YOUR ANSWER : ?

RNA instability in alkaline solutions is due to

adenine

ribose

single strand nature

uracil

TRUE ANSWER : ?
YOUR ANSWER : ?

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