1
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements:

Statement I: A protein is imagined as a line, the left end represented by first amino acid (C-terminal) and the right end represented by last amino acid (N-terminal).

Statement II: Adult human haemoglobin, consists of 4 subunits (two subunits of $$\alpha$$ type and two subunits of $$\beta$$ type.)

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

A
Both Statement I and Statement II are false.
B
Statement I is true but Statement II is false.
C
Statement I is false but Statement II is true.
D
Both Statement I and Statement II are true.
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements :

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:

A
Both Statement I and Statement II are false.
B
Statement I is true but Statement II is false.
C
Statement I is false but Statement II is true.
D
Both Statement I and Statement II are true.
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

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

A
Symport
B
Uniport
C
Transport
D
Antiport
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

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