RNA STRUCTURE QUIZ

In RNA, uracil pairs with

adenine

cytosine

guanine

thymine

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A nicked RNA molecule can be ligated by

T4 RNA ligase

all of these

T4 DNA ligase

DNA polymerase

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The anticodon is a structure on

mRNA.

tRNA.

aribosome.

rRNA.

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The genetic material of retroviruses such as HIV is

RNA

protein

DNA

all of these

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Which of following RNA characteristically contains unusual purines and pyrimidmes?

mRNA

rRNA

tRNA

nRNA

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Which of the following is the smallest of the RNAs?

Ribosomal RNAs

Transfer RNAs

Messenger RNA

All of these

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The tertiary structure of yeast tRNA

is maintained mostly by non-Watson-Crick base pairing

All of these

involves extensive base stacking interactions

resembles the 3-dimensional structure of other tRNAs

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

100 bp

140 bp

80 bp

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

Bacteriophage DNA ligase

A restriction endonuclease from E. coli

Human insulin

Bacterial alpha-amylase

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