What is the function of messenger RNA? It is a direct copy of a gene It carries amino acids It is the genetic material of some organisms It is a component of the ribosomes TRUE ANSWER : ? YOUR ANSWER : ?
Two features of the tRNA molecule associated, in converting the triplet codon to an amino acid, are in the anticodon loop and the 3' CCA end in the anticodon loop and D stem loop None of these in the T Loop and D stem and loop TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is the smallest of the RNAs? Transfer RNAs Messenger RNA Ribosomal RNAs All of these TRUE ANSWER : ? YOUR ANSWER : ?
During RNA synthesis, the DNA template sequence 5'Tp Ap Gp Cp 3' Would be transcribed to produce which of the following RNA sequence? 5'-Ap Tp Cp Gp-3' 5'-Gp Cp Tp Ap-3' 5'-Gp Cp Up Ap-3' 5'-Ap Up Cp Gp-3' TRUE ANSWER : ? YOUR ANSWER : ?
The mRNA from which of the following would contain a poly-A tail? A restriction endonuclease from E. coli Human insulin Bacteriophage DNA ligase Bacterial alpha-amylase TRUE ANSWER : ? YOUR ANSWER : ?
What is the average size (in bp) of a mature t-RNA? 100 bp 140 bp 120 bp 80 bp TRUE ANSWER : ? YOUR ANSWER : ?
The tertiary structure of yeast tRNA is maintained mostly by non-Watson-Crick base pairing All of these resembles the 3-dimensional structure of other tRNAs involves extensive base stacking interactions TRUE ANSWER : ? YOUR ANSWER : ?
The genetic material of retroviruses such as HIV is all of these protein DNA RNA TRUE ANSWER : ? YOUR ANSWER : ?