RE-NEET Botany Molecular Basis of Inheritance Class 12 Questions
7 questions
Which of the following statements about lac-operon is correct?
Which of the following enzymes synthesizes precursor mRNA?
In a chromosome, there is a specific DNA sequence, responsible for initiating replication. It is called as:
Given below are two statements regarding RNA polymerase in prokaryotes.
Statement I: In prokaryotes, RNA polymerase is capable of catalysing the process of elongation during transcription.
Statement II: RNA polymerase associate transiently with ‘Rho’ factor to initiate transcription.
In the light of the above statements, choose the correct answer from the options given below :
Given below are two statements:
Statement I: In eukaryotes there are three RNA polymerases in the nucleus in addition to the RNA polymerase found in the organelles.
Statement II: All the three RNA polymerases in eukaryotic nucleus have different roles.
Match List-I with List-II:
Given below are two statements:
Statement I: In the lac operon, the z gene codes for beta-galactosidase which is primarily responsible for the hydrolysis of lactose into galactose and glucose.
Statement II: In addition to lactose, glucose or galactose can also induce lac operon.
In the light of the above statements, choose the correct answer from the options given below: