(A) Phenylisothiocyanate
(B) Dansyl chloride
(C) 1-Fluoro-2, 4-dinitrobenzene
(D) Ninhydrin
Tag: Biochemistry Mcqs
Electrostatic bonds can be formed between the side chains of?
(A) Alanine and leucine
(B) Leucine and valine
(C) Asparate and glutamate
(D) Lysine and aspartate
Primary structure of proteins can be determined by the use of?
(A) Electrophoresis
(B) Chromatography
(C) Ninhydrin
(D) Sanger’s reagent
A protein rich in cysteine is?
(A) Collagen
(B) Keratin
(C) Haemoglobin
(D) Gelatin
An amino acid that does not take part in α helix formation is?
(A) Histidine
(B) Tyrosine
(C) Proline
(D) Tryptophan
An amino acid having a hydrophilic side chain is?
(A) Alanine
(B) Proline
(C) Methionine
(D) Serine
At a pH below the isoelectric point, an amino acid exists as?
(A) Cation
(B) Anion
(C) Zwitterion
(D) Undissociated molecule
A coagulated protein is?
(A) Insoluble
(B) Biologically non-functional
(C) Unfolded
(D) All of the above