RNA STRUCTURE QUIZ

The anticodon is a structure on

aribosome.

mRNA.

rRNA.

tRNA.

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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'-Gp Cp Tp Ap-3'

5'-Gp Cp Up Ap-3'

5'-Ap Tp Cp Gp-3'

5'-Ap Up Cp Gp-3'

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

100 bp

80 bp

140 bp

120 bp

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The genetic material of retroviruses such as HIV is

all of these

DNA

protein

RNA

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RNA instability in alkaline solutions is due to

adenine

single strand nature

uracil

ribose

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Retroviruses replicate via __________ intermediate

RNA

rDNA

mRNA

DNA

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In RNA, uracil pairs with

guanine

thymine

adenine

cytosine

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

Human insulin

Bacterial alpha-amylase

A restriction endonuclease from E. coli

Bacteriophage DNA ligase

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Which of following RNA characteristically contains unusual purines and pyrimidmes?

mRNA

tRNA

rRNA

nRNA

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What is the function of messenger RNA?

It is a component of the ribosomes

It carries amino acids

It is a direct copy of a gene

It is the genetic material of some organisms

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