Question 481 of 668
In E. coli, the lac operon gets switched on when _______
Lactose binding to repressor induces the operon.
Molecular Basis of Inheritance MCQs
Class XII Biology • NCERT Based • NEET Practice
Question 482 of 668
A nucleosome is a portion of the chromonema containing _______
Nucleosome = DNA + Histone octamer.
Question 483 of 668
Which of the following is not a property of the genetic code?
The code is unambiguous.
Question 484 of 668
Genes of interest can be selected from a genomic library by using _______
Probes are used to screen libraries.
Question 485 of 668
In an inducible operon, the genes are _______
Inducible operons are normally off.
Question 486 of 668
The most abundant type of RNA in the cell is _______
rRNA is the most abundant.
Question 487 of 668
The process of replication of DNA in E. coli requires an enzyme referred to as _______
The main replicating enzyme.
Question 488 of 668
DNA replication is a _______ process.
It requires energy (dNTPs).
Question 489 of 668
Which of the following figures correctly represents the replication fork formed during DNA replication?
Standard depiction of continuous/discontinuous synthesis.
Question 490 of 668
A specific nucleotide sequence to which RNA polymerase attaches to initiate transcription of mRNA from a gene is _______
RNA Pol binds to the Promoter.