RNA STRUCTURE QUIZ

T4 DNA ligase

all of these

T4 RNA ligase

DNA polymerase

all of these

RNA

DNA

protein

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.

mRNA.

rRNA.

tRNA.

100 bp

120 bp

140 bp

80 bp

5'-Gp Cp Tp Ap-3'

5'-Ap Up Cp Gp-3'

5'-Ap Tp Cp Gp-3'

5'-Gp Cp Up Ap-3'

ribose

uracil

single strand nature

adenine

in the T Loop and D stem and loop

None of these

in the anticodon loop and the 3' CCA end

in the anticodon loop and D stem loop

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

1-methyl-guanosine

7-methyl-guanosine

2'-O-methyl-guanosine

1-methyl-adenosine