RNA STRUCTURE QUIZ

It carries amino acids

It is the genetic material of some organisms

It is a component of the ribosomes

It is a direct copy of a gene

aribosome.

rRNA.

tRNA.

mRNA.

All of these

Messenger RNA

Ribosomal RNAs

Transfer RNAs

all of these

RNA

DNA

protein

A restriction endonuclease from E. coli

Bacterial alpha-amylase

Bacteriophage DNA ligase

Human insulin

guanine

cytosine

adenine

thymine

5'-Ap Tp Cp Gp-3'

5'-Ap Up Cp Gp-3'

5'-Gp Cp Tp Ap-3'

5'-Gp Cp Up Ap-3'

1-methyl-guanosine

1-methyl-adenosine

7-methyl-guanosine

2'-O-methyl-guanosine

is maintained mostly by non-Watson-Crick base pairing

All of these

involves extensive base stacking interactions

resembles the 3-dimensional structure of other tRNAs

uracil

adenine

ribose

single strand nature