Select the incorrect statement(s) w.r.t ...

Select the incorrect statement(s) w.r.t regulator gene of lac operon, br (a)-It is a constitutive gene . Br (b)- It is always functional. Br C-It codes for repressor protein. Br (d)- It increases permeability of the cell for` beta`-galactosidase.

(A), (B) only

(B). (C) only

(C), (D) only

(D) only

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

Mock Test 34 Zoology
AAKASH INSTITUTE|Exercise EXAMPLE|23 Videos
MOCK TEST 36
AAKASH INSTITUTE|Exercise EXAMPLE|35 Videos

Similar Questions

Explore conceptually related problems

Assertion :- The gene I codes for the repressor of the lac operon. Reason : The y-gene codes for permease, which increases permeability of the cell to beta -galactosidase.

Read the following statements w.r.t. lac operon. Br a. lac-i is the constitutive gene. Br b. lac-y codes for permease to increase permeability of cell to Beta -galactoside. Br c. Lactose is the substrate for the enzyme B- galactosidase and it regulates switching on and off of the operon. br d. Regulation of lac operan can be also visualised as regulation of enzyme synthesis by its substrate.

Read the following statements for lac operon: i. Each operon has its specific operator and specific repressor. ii. The y gene codes permease, which increases the permeability of the cell to beta-galactosides. iii. Regulation of lac operon can be visualized as regulation of enzyme synthesis by its substrate. Select the option with the correct statements.

Read the following statements (w.r.t. inflorescence of radish) br (a) Older flowers are present at the base of axis br (b) Main axis terminates into a flower

In lac operon, there are three structural genes in which uli codes for ulii that increases permeability of the cell to B-galactosides.Select the correct option to fill in the blanks (i) & (ii).

Select correct statement(s) w.r.t cell envelope of bacteria. (a) It is a tightly bound three layered structure. (b) Glycocalyx could be a loose sheath called the capsule. (c) All layers of it,act together as a single protective layer.

Find correct features w.r.t. most advanced type of placentation. Br a. Parietal in Argemone. Br b. Basal in cereals. Br c. Axile in solanaceae. Br d. Unilocular ovary. Br e. Ovary with single ovule

AAKASH INSTITUTE-MOCK TEST 35-EXAMPLE

What percentage of human genome codes for proteins?
Text Solution
|
Which of the following DNA segments have 1-6 bp length?
Text Solution
|
Select the incorrect statement(s) w.r.t regulator gene of lac operon, ...
Text Solution
|
All of the following form the basis of DNA fingerprinting, except
Text Solution
|
Which of the following techniques is used for separation of DNA fragme...
Text Solution
|
Which of the following methods is involved in identifying all genes th...
Text Solution
|
Which of the following is a non-infectious disease?
Text Solution
|
Find the Incorrect match between disease and its vector.
Text Solution
|
Which of the following organism affect the lymphatic vessels in human ...
Text Solution
|
Which of the following organism cause athlete's fool?
Text Solution
|
Appearance of dry, scaly lesions on skin, which are accompanied by itc...
Text Solution
|
Choose the correct wrt. Plasmodium
Text Solution
|
Infective stage of Plasmodium for human is
Text Solution
|
Infective stage of Plasmodium after entering in human blood first migr...
Text Solution
|
Exflagellation in life cycle of Plasmodium occurs in
Text Solution
|
Fusion of male and female gamele in Plasmodium occur in
Text Solution
|
Choose the correct option wrt. Amoebic dysentry
Text Solution
|
Which of the following is not a part of second line of defense in huma...
Text Solution
|
Which of the following does not have any role in inflammation?
Text Solution
|
Which of the following have CD-4 receptor?
Text Solution
|