Digestion and AbsorptionHard
Question
Find out the correct statements from the followings :-
(a) In lac-operon, polycistronic structural gene is regulated by a common promoter and regulatory gene
(b) In lac-operon one regulatory gene (the i gene) is present, here the term i refers to the inducer
(c) Lactose is the substrate for the enzyme beta-galactosidase and it regulates switching on and off of the operon.
(d) The y-gene of lac-operon codes for transacetylase
(e) The z-gene codes for beta-galactosidase
(a) In lac-operon, polycistronic structural gene is regulated by a common promoter and regulatory gene
(b) In lac-operon one regulatory gene (the i gene) is present, here the term i refers to the inducer
(c) Lactose is the substrate for the enzyme beta-galactosidase and it regulates switching on and off of the operon.
(d) The y-gene of lac-operon codes for transacetylase
(e) The z-gene codes for beta-galactosidase
Options
A.a and c
B.a, b and e
C.a, c and e
D.a, c, d and e
More Digestion and Absorption Questions
Fat digeston is facilitated by...Peyer′s patches contain...The colour of the faeces is due to the...Symbiotic bacteria present in intestine of most primates, which synthesize certain vitamins are...Which one of the following four secretions is correctly matched with its source, target and nature of action...