RNA STRUCTURE QUIZ

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

120 bp

140 bp

100 bp

80 bp

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In RNA, uracil pairs with

guanine

cytosine

thymine

adenine

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What is the function of messenger RNA?

It is the genetic material of some organisms

It carries amino acids

It is a component of the ribosomes

It is a direct copy of a gene

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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 Up Ap-3'

5'-Ap Up Cp Gp-3'

5'-Gp Cp Tp Ap-3'

5'-Ap Tp Cp Gp-3'

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Which of following RNA characteristically contains unusual purines and pyrimidmes?

mRNA

nRNA

tRNA

rRNA

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The anticodon is a structure on

mRNA.

rRNA.

aribosome.

tRNA.

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The tertiary structure of yeast tRNA

involves extensive base stacking interactions

resembles the 3-dimensional structure of other tRNAs

is maintained mostly by non-Watson-Crick base pairing

All of these

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Which of the following is the smallest of the RNAs?

Messenger RNA

Transfer RNAs

Ribosomal RNAs

All of these

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A nicked RNA molecule can be ligated by

DNA polymerase

all of these

T4 DNA ligase

T4 RNA ligase

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The genetic material of retroviruses such as HIV is

protein

all of these

DNA

RNA

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