RNA STRUCTURE QUIZ

5'-Gp Cp Tp Ap-3'

5'-Gp Cp Up Ap-3'

5'-Ap Up Cp Gp-3'

5'-Ap Tp Cp Gp-3'

Human insulin

Bacteriophage DNA ligase

Bacterial alpha-amylase

A restriction endonuclease from E. coli

mRNA

RNA

rDNA

DNA

guanine

thymine

adenine

cytosine

in the anticodon loop and the 3' CCA end

in the T Loop and D stem and loop

None of these

in the anticodon loop and D stem loop

It carries amino acids

It is a component of the ribosomes

It is the genetic material of some organisms

It is a direct copy of a gene

Transfer RNAs

Ribosomal RNAs

Messenger RNA

All of these

120 bp

80 bp

140 bp

100 bp

is maintained mostly by non-Watson-Crick base pairing

All of these

resembles the 3-dimensional structure of other tRNAs

involves extensive base stacking interactions

tRNA.

aribosome.

rRNA.

mRNA.