Questions
2
How is the secondary structure of a protein stabilized?
Answer: Hydrogen bonding
3
What is the maximum wavelength that Tryptophan and tyrosine absorb?
Answer: 280nm
4
In which amino acid Imidazole group, an aromatic ring found?
Answer: Histidine
5
Which of these are rare amino acid in a protein?
Answer: Tryptophan and methionine
6
Name the amino acid, which exists in two non-superimposable mirror images of each other.
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.
Answer: +10.1°
10
The general structure of all amino acids are same except for ___________
Answer: Proline
12
Which of the following amino acid act as inhibitory neurotransmitter?
Answer: All of these
13
The amino acid commonly used as an ingredient in the buffers of SDS PAGE.
Answer: Glycine
14
Which of the following amino acid will be absent in α (alpha) helix structure of protein?
Answer: Proline
15
Aminolevulinic acid, the first product in porphyrin biosynthesis in eukaryotes, is synthesized from ____ and succinyl-CoA.
Answer: Glycine
17
Which of the following enzyme contain Selenocysteine?
Answer: Glutathione peroxidase
18
Amino acid used in the ‘stripping’ of Western blotting experiment is:
Answer: Glycine
