RNA STRUCTURE QUIZ

Ribosomal RNAs

Transfer RNAs

Messenger RNA

All of these

uracil

single strand nature

ribose

adenine

A restriction endonuclease from E. coli

Bacterial alpha-amylase

Bacteriophage DNA ligase

Human insulin

RNA

DNA

protein

all of these

5'-Ap Up Cp Gp-3'

5'-Gp Cp Tp Ap-3'

5'-Gp Cp Up Ap-3'

5'-Ap Tp Cp Gp-3'

resembles the 3-dimensional structure of other tRNAs

involves extensive base stacking interactions

All of these

is maintained mostly by non-Watson-Crick base pairing

nRNA

rRNA

mRNA

tRNA

in the T Loop and D stem and loop

in the anticodon loop and the 3' CCA end

None of these

in the anticodon loop and D stem loop

120 bp

100 bp

140 bp

80 bp

It is the genetic material of some organisms

It carries amino acids

It is a direct copy of a gene

It is a component of the ribosomes