1
JEE Main 2023 (Online) 10th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The one that does not stabilize 2$$^\circ$$ and 3$$^\circ$$ structures of proteins is

A
$$-$$O $$-$$O $$-$$linkage
B
$$-$$S $$-$$S $$-$$linkage
C
van der Waals forces
D
H-bonding
2
JEE Main 2023 (Online) 8th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II

LIST I
Natural amino acid
LIST II
One letter code
A. Glutamic acid I. Q
B. Glutamine II. W
C. Tyrosine III. E
D. Tryptophan IV. Y

Choose the correct answer from the options given below:

A
A-III, B-IV, C-I, D-II
B
A-IV, B-III, C-I, D-II
C
A-II, B-I, C-IV, D-III
D
A-III, B-I, C-IV, D-II
3
JEE Main 2023 (Online) 8th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Sulphur (S) containing amino acids from the following are:

(a) isoleucine (b) cysteine (c) lysine (d) methionine (e) glutamic acid

A
b, d
B
a, d
C
b, c, e
D
a, b, c
4
JEE Main 2023 (Online) 6th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II

LIST I
Natural Amino Acid
LIST II
One Letter Code
A. Arginine I. D
B. Aspartic acid II. N
C. Asparagine III. A
D. Alanine IV. R

Choose the correct answer from the options given below:

A
(A) - IV, (B) - I, (C) - III, (D) - II
B
(A) - III, (B) - I, (C) - II, (D) - IV
C
(A) - IV, (B) - I, (C) - II, (D) - III
D
(A) - I, (B) - III, (C) - IV, (D) - II
JEE Main Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12