RNA STRUCTURE QUIZ

Transfer RNAs

Messenger RNA

Ribosomal RNAs

All of these

It is a direct copy of a gene

It carries amino acids

It is a component of the ribosomes

It is the genetic material of some organisms

Human insulin

A restriction endonuclease from E. coli

Bacterial alpha-amylase

Bacteriophage DNA ligase

involves extensive base stacking interactions

resembles the 3-dimensional structure of other tRNAs

All of these

is maintained mostly by non-Watson-Crick base pairing

T4 DNA ligase

all of these

DNA polymerase

T4 RNA ligase

140 bp

80 bp

120 bp

100 bp

1-methyl-adenosine

7-methyl-guanosine

1-methyl-guanosine

2'-O-methyl-guanosine

tRNA.

rRNA.

mRNA.

aribosome.

uracil

adenine

single strand nature

ribose

in the anticodon loop and the 3' CCA end

None of these

in the T Loop and D stem and loop

in the anticodon loop and D stem loop