NEET 2023 | Biomolecules Question 19 | Biology

Statement I : Low temperature preserves the enzyme in a temporarily inactive state whereas high temperature destroys enzymatic activity because proteins are denatured by heat.

Statement II : When the inhibitor closely resembles the substrate in its molecular structure and inhibits the activity of the enzyme, it is known as competitive inhibitor.

In the light of the above statements, choose the correct answer from the options given below:

Both Statement I and Statement II are false.

Statement I is true but Statement II is false.

Statement I is false but Statement II is true.

Both Statement I and Statement II are true.

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

When a carrier protein facilitates the movement of two molecules across the membrane in same direction, it is called

Symport

Uniport

Transport

Antiport

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

Match List-I with List-II

	List-I		List-II
(a)	Adenine	(i)	Pigment
(b)	Anthocyanin	(ii)	Polysaccharide
(c)	Chitin	(iii)	Alkaloid
(d)	Codeine	(iv)	Purine

Choose the correct answer from the options given below

(a) - (i), (b) - (iv), (c) - (iii), (d) - (ii)

(a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)

(a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)

(a) - (iii), (b) - (i), (c) - (iv), (d) - (ii)

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

Primary proteins are also called as polypeptides because :

They can assume many conformations

They are linear chains

They are polymers of peptide monomers

Successive amino acids are joined by peptide bonds

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Biology

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Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution