The mRNA from which of the following would contain a poly-A tail? Bacterial alpha-amylase A restriction endonuclease from E. coli Bacteriophage DNA ligase Human insulin 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'-Gp Cp Up Ap-3' 5'-Ap Tp Cp Gp-3' 5'-Ap Up Cp Gp-3' 5'-Gp Cp Tp Ap-3' TRUE ANSWER : ? YOUR ANSWER : ?
What modified base is at the 5' extremity of a capped eukaryotic m-RNA? 7-methyl-guanosine 1-methyl-guanosine 1-methyl-adenosine 2'-O-methyl-guanosine TRUE ANSWER : ? YOUR ANSWER : ?
What is the average size (in bp) of a mature t-RNA? 140 bp 80 bp 100 bp 120 bp 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 D stem loop in the anticodon loop and the 3' CCA end in the T Loop and D stem and loop None of these TRUE ANSWER : ? YOUR ANSWER : ?
RNA instability in alkaline solutions is due to single strand nature ribose adenine uracil TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is the smallest of the RNAs? Ribosomal RNAs Messenger RNA All of these Transfer RNAs TRUE ANSWER : ? YOUR ANSWER : ?
What is the function of messenger RNA? It is a component of the ribosomes It is the genetic material of some organisms It is a direct copy of a gene It carries amino acids TRUE ANSWER : ? YOUR ANSWER : ?