RNA STRUCTURE QUIZ

The anticodon is a structure on

rRNA.

aribosome.

mRNA.

tRNA.

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What is the function of messenger RNA?

It is the genetic material of some organisms

It is a direct copy of a gene

It is a component of the ribosomes

It carries amino acids

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Which of the following is the smallest of the RNAs?

Transfer RNAs

Messenger RNA

Ribosomal RNAs

All of these

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

Bacteriophage DNA ligase

Bacterial alpha-amylase

A restriction endonuclease from E. coli

Human insulin

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In RNA, uracil pairs with

cytosine

thymine

guanine

adenine

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The genetic material of retroviruses such as HIV is

protein

DNA

all of these

RNA

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RNA instability in alkaline solutions is due to

ribose

uracil

adenine

single strand nature

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The tertiary structure of yeast tRNA

All of these

resembles the 3-dimensional structure of other tRNAs

involves extensive base stacking interactions

is maintained mostly by non-Watson-Crick base pairing

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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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Retroviruses replicate via __________ intermediate

DNA

mRNA

rDNA

RNA

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