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Isoelectric point is defined as the pH a...

Isoelectric point is defined as the pH at which:

A

an amino acid becomes acidic

B

an amino acid becomes basic

C

zwitterio has positive charge

D

zwitterion has zero charge

Text Solution

Verified by Experts

The correct Answer is:
D
Isoelectric point is the condition, where zwitterions or sol particles do not move under the influence of electric field, i.e., they lose their charge.
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Knowledge Check

  • Isoelectric point is a

    A
    Specific temperature
    B
    Suitable concentration of amino acid
    C
    Hydrogen ion concentration that does not allow migration of amino acid under electric field
    D
    Mp of an amino acid under the influence of electric field

  • A isoelectric point

    A
    Colloidal particles become uncharged
    B
    Colloidal sol becomes highly stable
    C
    Peptization can be carried out
    D
    None

  • pH is defined as :

    A
    `-log [H_(3)O_(+)]`
    B
    `-log[H_(2)O]`
    C
    `-log[OH^(-)]`
    D
    `-log[H^(2)][OH^(-)]`

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