Gene Regulation: Introduction Iris: Molecular Basis of Inheritance Molecular Basis of Inheritance Masterclass in Biology 4 NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Which of the following is likely if there is a mutation in the lacY gene of the lac operon in E.coli?

1.	The lac genes would be expressed efficiently only in the absence of lactose.
2.	The lac genes would be expressed efficiently until the lactose supply in the cell is exhausted.
3.	The lac genes would be expressed continuously.
4.	Expression of the lac genes would cease immediately.

Subtopic: Gene Regulation: Introduction |

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NEET - 2018

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What catalyzes the peptide bond formation in prokaryotes?
1. Proteases
2. A ribozyme
3. Sigma subunit of RNA polymerase
4. Rho factor proteins

Subtopic: Gene Regulation: Introduction |

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From NCERT

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To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.