RNA STRUCTURE QUIZ

The anticodon is a structure on

aribosome.

rRNA.

tRNA.

mRNA.

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of following RNA characteristically contains unusual purines and pyrimidmes?

nRNA

mRNA

tRNA

rRNA

TRUE ANSWER : ?
YOUR ANSWER : ?

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

7-methyl-guanosine

2'-O-methyl-guanosine

1-methyl-adenosine

1-methyl-guanosine

TRUE ANSWER : ?
YOUR ANSWER : ?

What is the function of messenger RNA?

It is the genetic material of some organisms

It is a component of the ribosomes

It is a direct copy of a gene

It carries amino acids

TRUE ANSWER : ?
YOUR ANSWER : ?

RNA instability in alkaline solutions is due to

ribose

single strand nature

adenine

uracil

TRUE ANSWER : ?
YOUR ANSWER : ?

The genetic material of retroviruses such as HIV is

all of these

protein

DNA

RNA

TRUE ANSWER : ?
YOUR ANSWER : ?

A nicked RNA molecule can be ligated by

DNA polymerase

T4 DNA ligase

all of these

T4 RNA ligase

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is the smallest of the RNAs?

Ribosomal RNAs

Messenger RNA

Transfer RNAs

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

in the T Loop and D stem and loop

in the anticodon loop and the 3' CCA end

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

In RNA, uracil pairs with

cytosine

thymine

guanine

adenine

TRUE ANSWER : ?
YOUR ANSWER : ?

↑