RNA STRUCTURE QUIZ

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

A restriction endonuclease from E. coli

Bacteriophage DNA ligase

Bacterial alpha-amylase

Human insulin

TRUE ANSWER : ?
YOUR ANSWER : ?

In RNA, uracil pairs with

cytosine

adenine

thymine

guanine

TRUE ANSWER : ?
YOUR ANSWER : ?

The anticodon is a structure on

aribosome.

mRNA.

tRNA.

rRNA.

TRUE ANSWER : ?
YOUR ANSWER : ?

The genetic material of retroviruses such as HIV is

protein

all of these

DNA

RNA

TRUE ANSWER : ?
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'-Gp Cp Up Ap-3'

5'-Ap Tp Cp Gp-3'

5'-Ap Up Cp Gp-3'

5'-Gp Cp Tp Ap-3'

TRUE ANSWER : ?
YOUR ANSWER : ?

Retroviruses replicate via __________ intermediate

mRNA

RNA

rDNA

DNA

TRUE ANSWER : ?
YOUR ANSWER : ?

The tertiary structure of yeast tRNA

resembles the 3-dimensional structure of other tRNAs

All of these

involves extensive base stacking interactions

is maintained mostly by non-Watson-Crick base pairing

TRUE ANSWER : ?
YOUR ANSWER : ?

A nicked RNA molecule can be ligated by

T4 RNA ligase

T4 DNA ligase

DNA polymerase

all of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of following RNA characteristically contains unusual purines and pyrimidmes?

nRNA

tRNA

rRNA

mRNA

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 : ?

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