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At iso-electric point :...

At iso-electric point :

A

Conc. of cation is equal to conc. of anion.

B

Net charge is zero.

C

Maximum conc. of di-polar ion (Zwitter ion) will be present

D

All of the above.

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The correct Answer is:
D
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DISHA PUBLICATION-BIOMOLECULES -Exercise - 1 : Concept Builder ( Topicwise ) (Amino Acids , Proteins and Enzymes )
  1. At iso-electric point :

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  2. Among the following organic acids, the acid present in rancid butter i...

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  3. A strongly alkaline solution of a monoaminodicarboxylic acid contains ...

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  4. Which of the following proteins destroy the antigen when it enters in ...

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  5. Number of essential amino acids in human is

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  6. Which of the following structures represents the peptide chain?

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  7. The helical structure of protein is stabilized by

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  8. Which functional group participates in the disulphide bond formation i...

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  9. Pepsin enzyme hydrolyses

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  10. Which of the following tests is not used for testing proteins :

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  11. The correct statement in respect of protein haemoglobin is that it

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  12. The enzyme which hydrolyses triglycerides to fatty acid and glycerol i...

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  13. Which one of the following metals is required as co-factor by all enzy...

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  14. Which of the nitrogen of histidine is first protonated ?

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  15. An electric current is passed through an aqueous solution ( buffered a...

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  16. A mixture of two amino acids having p1 9.60 and 5.40 can be separated

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  17. Imino acid among these compounds is

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  18. The structural feature which distinguishes proline from other natural ...

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  19. Which amino acid is achiral?

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  20. Denaturation of protein leads to loss of its biological activity by :-

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