Question 341 of 668
The z gene codes for _______
The z gene codes for beta-galactosidase.
Molecular Basis of Inheritance MCQs
Class XII Biology • NCERT Based • NEET Practice
Question 342 of 668
The y gene codes for _______
The y gene codes for permease.
Question 343 of 668
The a gene codes for _______
The a gene codes for transacetylase.
Question 344 of 668
Lactose is the substrate for the enzyme beta-galactosidase and it regulates switching on and off of the operon. Hence, it is termed as _______
Lactose acts as the inducer.
Question 345 of 668
The repressor of the operon is synthesized from the _______ gene.
The i gene produces the repressor.
Question 346 of 668
The repressor binds to the _______ region of the operon and prevents RNA polymerase from transcribing.
The repressor binds to the operator region.
Question 347 of 668
Regulation of lac operon by repressor is referred to as _______ regulation.
It is negative regulation because the repressor turns it off.
Question 348 of 668
The Human Genome Project was a 13-year project coordinated by the U.S. Department of _______ and the National Institutes of Health.
US Dept of Energy and NIH coordinated the HGP.
Question 349 of 668
The method of identifying all genes that are expressed as RNA is referred to as _______
ESTs focus on expressed genes.
Question 350 of 668
The blind approach of simply sequencing the whole set of genome is called _______
Sequencing the whole genome is Sequence Annotation.