RNA STRUCTURE QUIZ

DNA

mRNA

RNA

rDNA

Human insulin

Bacteriophage DNA ligase

A restriction endonuclease from E. coli

Bacterial alpha-amylase

5'-Ap Tp Cp Gp-3'

5'-Gp Cp Up Ap-3'

5'-Gp Cp Tp Ap-3'

5'-Ap Up Cp Gp-3'

nRNA

tRNA

rRNA

mRNA

It is a direct copy of a gene

It is the genetic material of some organisms

It carries amino acids

It is a component of the ribosomes

All of these

involves extensive base stacking interactions

is maintained mostly by non-Watson-Crick base pairing

resembles the 3-dimensional structure of other tRNAs

All of these

Ribosomal RNAs

Transfer RNAs

Messenger RNA

T4 RNA ligase

all of these

T4 DNA ligase

DNA polymerase

adenine

uracil

single strand nature

ribose

1-methyl-guanosine

1-methyl-adenosine

7-methyl-guanosine

2'-O-methyl-guanosine