JOIN ADRE 2.0 Telegram Group

Amino Acids and Proteins Quiz | Amino Acids and Proteins Multiple Choice Questions(MCQs) & Answers

Questions
1 How many amino acid residues are there in per turn of α-helix?
A 3.6
B 4.6
C 3.0
D 2.5

Answer: 3.6
2 How is the secondary structure of a protein stabilized?
A Van der wall forces
B Hydrogen bonding
C Covalent bond
D Hydrophobic bond

Answer: Hydrogen bonding
Advertisement
Article and Schedule Quiz Start Test!

DOWNLOAD CURRENT AFFAIRS PDF FROM APP

3 What is the maximum wavelength that Tryptophan and tyrosine absorb?
A 280nm
B 260nm
C 257nm
D 230nm

Answer: 280nm
4 In which amino acid Imidazole group, an aromatic ring found?
A Lysine
B Arginine
C Histidine
D Glutamate

Answer: Histidine
5 Which of these are rare amino acid in a protein?
A Leucine and serine
B Lysine and glutamic acid
C Tryptophan and methionine
D Leucine and lysine

Answer: Tryptophan and methionine
6 Name the amino acid, which exists in two non-superimposable mirror images of each other.
A Epimer
B Anomer
C Enantiomer
D Chiral carbon

Answer: Enantiomer
7 A solution of L-alanine (4.0g/50 ml of 6 N HCl) has a rotation of +1.61° in a 2dm polarimeter tube. Calculate the specific rotation of L-alanine in 6 N HCl.
A +15.1°
B +10.1°
C +11.1°
D +16.1°

Answer: +10.1°
8 Which of these are used to measure optical activity?
A Polarimeter
B Planometer
C Psychrometer
D Photometer

Answer: Polarimeter
9 Which of these amino acids are not optically active?
A Cysteine
B Lysine
C Arginine
D Glycine

Answer: Glycine
10 The general structure of all amino acids are same except for ___________
A Lysine
B Glycine
C Proline
D Alanine

Answer: Proline
11 Which of the following amino acid is sweet in taste?
A Glycine
B Alanine
C Glutamic acid
D None of these

Answer: Glycine
12 Which of the following amino acid act as inhibitory neurotransmitter?
A Glycine
B Alanine
C GABA
D All of these

Answer: All of these
13 The amino acid commonly used as an ingredient in the buffers of SDS PAGE.
A Aspartic acid
B Glutamic acid
C Glycine
D Aspartic acid and Lysine together

Answer: Glycine
14 Which of the following amino acid will be absent in α (alpha) helix structure of protein?
A Proline
B Glycine
C Galine
D Glutamic acid

Answer: Proline
15 Aminolevulinic acid, the first product in porphyrin biosynthesis in eukaryotes, is synthesized from ____ and succinyl-CoA.
A Valine
B Tryptophan
C Methionine
D Glycine

Answer: Glycine
16 Carnosine is a dipeptide of histidine and _____.
A β-histidine
B β-alanine
C β-lysine
D α-lysine

Answer: β-alanine
17 Which of the following enzyme contain Selenocysteine?
A Nitrate reductase
B Catalase
C Glutathione peroxidase
D All of these

Answer: Glutathione peroxidase
18 Amino acid used in the ‘stripping’ of Western blotting experiment is:
A Glycine
B Alanine
C Glutamic acid
D Phenyl alanine

Answer: Glycine
19 Amino acid selenocysteine is coded by_______.
A UAA
B UAG
C UGA
D AUG

Answer: UGA
20 Which of the following is a glucogenic amino acid?
A Glycine
B Proline
C Alanine
D All of these

Answer: All of these

ADRE 2.0 FULL LENGTH MOCK TEST

Take Mock Tests

Missiles Mock Test Start Test!
SSC MTS Mock Test Start Test
IBPS CLERK MOCK TEST Start Test
SSC MTS 2022 JULY 26 Shift 1 (ENGLISH) Start Test!
SSC GD Previous Year Paper 2021 Nov 17 Shift - I (Hindi) Start Test!
SSC CGL Tier - 1 PYP 2022 April 21 Shift- 1 (ENGLISH) Start Test!
MPSC PAPER I MOCK TEST 1 (ENGLISH) Start Test!
IB Security Assistant Mock test 1 (english) Start Test!
UP POLICE CONSTABLE MOCK TEST 1 Start Test!
DELHI POLICE CONSTABLE MOCK TEST 1 (HINDI) Start Test!
Advertisement
Assam Direct Recruitment Test Series