Q. Which of the following statements is true with respect to the DNA double helix?

View solution

Q. Who, in which year showed firm enzymological proof that DNA alone functions as the template for the synthesis of new DNA strands?

View solution

Q. Replication of DNA ends are carried out by polymerase.

View solution

Q. Which of the following regarding the basic mechanism of gene expression is correct?

View solution

Q. Which of the following does not take part in gene expression?

View solution

Q. Multiple copies of RNA could be formed at the same time.

View solution

Q. Amino acids prior to their incorporation into polypeptide must be attached to a special adaptor molecule. Who proved this and when?

View solution

Q. With respect to polymerization of amino acids which of the following statements is wrong?

View solution

Q. Ribosome begins its translation at the 3’ end of the mRNA in prokaryotes.

View solution

Q. Check which one of the following mechanisms is wrongly paired with its location of occurrence?

View solution

Q. With respect to the subunits of ribosome which of the following is wrongly paired?

View solution

Q. An mRNA bearing multiple ribosomes is known as______________

View solution

Q. What is the actual substrate for each round of amino acid addition?

View solution

Q. The reaction to form a new peptide bond is known as the peptidyl transferase reaction.

View solution

Q. Where does ribosome gets the energy for the formation of peptide bond?

View solution

Q. With respect to the mRNA – ribosome complex for translation mechanism which of the following pair is wrong?

View solution

Q. Only a single stranded RNA can pass through the ribosome for decoding.

View solution

Q. How many channels are present in the ribosome?

View solution

Q. Which of the following is a character of ORF?

View solution

Q. With respect to the open reading frame (ORF) which of the following is wrong?

View solution