Gene regulation governing lactose operon of E.coli that involves the lac I gene

Gene Regulation Governing Lactose Operon Of Ecoli That Involves The Biology Question

Gene regulation governing lactose operon of E.coli that involves the lac I gene product is :

Options

(a) Negative and inducible because repressor protein prevents transcription
(b) Negative and repressible because repressor protein prevents transcription
(c) Feedback inhibition because excess of b-galactosidase can switch off transcription
(d) Positive and inducible because it can be induced by lactose

Correct Answer:

Negative and inducible because repressor protein prevents transcription

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

Related Questions:

  1. In human beings, the second meiotic division in the ovum occurs
  2. Which of the following is correct about heterospory
  3. Which of the following biomolecules does have phosphodiester bond?
  4. The pigment haemocyanin is found in
  5. Which one of the following characteristics is common to both in humans and adult frogs?

Topics: Genetics (204)
Subject: Biology (4253)

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*