Q.1
The pH at which an amino acid has no net charge on it is known as its isoelectric point (pI).
  • a) False
  • b) True
Q.2
Find the odd one out.
  • a) Alanine
  • b) Aspartic acid
  • c) Serine
  • d) Glycine
Q.3
______ stereochemical configuration of amino acids is present in proteins.
  • a) Only D
  • b) Both D and L
  • c) Either D or L
  • d) Only L
Q.4
The bioluminescent jellyfish Aequorea victoria, has a protein called Green Fluorescent Protein (GFP) that fluoresces with a peak wavelength of ________, under UV or blue light radiation.
  • a) 808 nm
  • b) 708 nm
  • c) 408 nm
  • d) 508 nm
Q.5
Which of the following is the correct sequence of the three consecutive amino acids present in the light-emitting group of green fluorescent protein?
  • a) Asp-Ser-Glu
  • b) Ser-Gly-Asn
  • c) Ser-Thr-Gly
  • d) Ser-Tyr-Gly
Q.6
Among the listed amino acids, which one is non-polar?
  • a) Lysine
  • b) Serine
  • c) Histidine
  • d) Glycine
Q.7
Find the odd one out.
  • a) Alanine
  • b) Valine
  • c) Leucine
  • d) Serine
Q.8
______ is also known as ‘helix breaker’.
  • a) Valine
  • b) Serine
  • c) Methionine
  • d) Proline
Q.9
Glycine is the only amino acid that is optically inactive.
  • a) False
  • b) True
Q.10
Which of the following amino acid contains benzene ring in it?
  • a) Glutamine
  • b) Threonine
  • c) Histidine
  • d) Tryptophan
Q.11
Which of the following amino acid is most commonly associated with N-linked glycosylation?
  • a) Arginine
  • b) Lysine
  • c) Aspartic acid
  • d) Asparagine
Q.12
_____ is a sulfur-containing amino acid.
  • a) Alanine
  • b) Asparagine
  • c) Tryptophan
  • d) Methionine
Q.13
Which of the following amino acid is not associated with phosphorylation?
  • a) Tyrosine
  • b) Threonine
  • c) Serine
  • d) Valine
Q.14
Which of the following amino acid shows hydrophilic nature?
  • a) Leucine
  • b) Glycine
  • c) Valine
  • d) Serine
Q.15
Which of the following amino acid is known to form disulfide cross-links?
  • a) Glutamine
  • b) Valine
  • c) Methionine
  • d) Cysteine
0 h : 0 m : 1 s