Q. How many double helix regions are observed in a tRNA molecule?

View solution

Q. The variable loop is found between the ___________

View solution

Q. The 3 dimension structure of an adaptor molecule of translation is revealed to be ___________

View solution

Q. Which of the following does not take part in stabilizing the cloverleaf model of the tRNA?

View solution

Q. Which of the following statements are true about aminoacyl tRNA?

i. Recognition and attachment of correct amino acid depends on aminoacyl tRNA synthetase.
ii. Transfer of amino acid to the polypeptide chain.
iii. Recognition of specific codon
iv. Recognition of specific anticodon

View solution

Q. For the charging of tRNA molecules, the acyl linkage occurs between the carboxyl group of the amino acid to the ____________

View solution

Q. The formation of the acyl linkage is significant for protein synthesis even though it is a high energy bond.

View solution

Q. The joining of the amino acid to the tRNA requires ___________ steps.

View solution

Q. The principle driving force for adenylation reaction during the formation of the aminoacyl tRNA is carried out by ___________

View solution

Q. How many types of tRNA synthetases are found?

View solution

Q. How many tRNA synthetases are found in a cell?

View solution

Q. The quaternary structure of which of the aminoacyl tRNA synthetase is the odd one among the following?

View solution

Q. Which of the following pair is an example for using only one type of tRNA synthetase in bacteria?

View solution

Q. Which of the following parts of the mRNA determines the specificity of the amino acid attached?

View solution

Q. Any mutation in the sequence of the acceptor stem does not pose a threat to the amino acid incorporation.

View solution

Q. For the addition of amino acids to the tRNA molecules the tRNA synthetases rely on the guidance provided by the anticodon sequence.

View solution

Q. The set of tRNA determinants that enable synthetases to discriminate among tRNAs are called ___________

View solution

Q. How many polypeptides are required for the structural assembly of the ribosome?

View solution

Q. Which of the following is the slowest process among the following?

View solution

Q. The ribosome is designed in such a way so as to keep up with the speed of the RNA polymerase.

View solution