MCQ
An aminoacid under certain conditions have both positive and negative charges simultaneously in the same molecule. Such a form of aminoacid is called.
- AAcidic form.
- BBasic form.
- CAromatic form.
- DZwitterionic form.
Explanation:
The term 'zwitterion' comes from a German word which means a neutral molecule with positive and negative charges.
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Function written above belong to which of the following gland
$R$ : It has a pair of peripheral doublet and a pair of centrally located microtubules.
| Column$-I$ | Column$-II$ |
| $(a)$ Halophiles | $(i)$ Hot springs |
| $(b)$ Thermoacidophiles | $(ii)$ Aquatic environment |
| $(c)$ Methanogens | $(iii)$ Guts of ruminants |
| $(d)$ Cyanobacteria | $(iv)$ Salty area |
Select the correct answer from the options given below