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Biotechnology and Biomedical Engineering
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Biochemistry Virtual Lab I
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Quantitative Estimation of Amino Acids by Ninhydrin
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Quantitative Estimation of Amino Acids by Ninhydrin
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Theory
Procedure
Self Evaluation
Animation
Assignment
Reference
Feedback
1)
The amino acids which give purple colour with ninhydrin are:
α-amino acids
Primary amines
Imino acids
None of the above
2)
The principle of colorimeter is:
Lambert –hall’s law
Beer-lambert’s law
Hills law
None of the above
3)
The reduced form of ninhydrin is called:
Ninhydridantin
Hydrindantin
Ruhemann’s compound
Ammonia
4)
The amino acid proline gives which colour in ninhydrin test?
Green
Blue
Yellow
Purple
5)
What is the complementary colour of purple?
Yellowish green
Bluish yellow
Green
Blue Yellowish green b) Bluish yellow c) Green d) Blue
6)
Tertiary amines react with ninhydrin to produce purple colour:
True
False
None of the above
None of the above
7)
Is Ninhydrin a reducing agent or an oxidizing agent?
Reducing agent
Oxidizing agent
Both
None of the above
8)
What are the two basic reactions accompanying the formation of hydridantin?
Deamination & Decarboxylation
Transamination & carboxylation
Oxidation & reduction
None of the above
Cite this Simulator:
vlab.amrita.edu,. (2011). Quantitative Estimation of Amino Acids by Ninhydrin. Retrieved 29 March 2024, from vlab.amrita.edu/?sub=3&brch=63&sim=156&cnt=3
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