What are aquaporin ?...

What are aquaporin ?

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Awuaporin is a water channel protein embedded in the plasma membrane .It regulate the massive amount of water transport across the membran .Plants contains a variety of aquaporins.Over 30 type of aquaporins are known from maize.Currently,they are also recognised to transport substrates like glycerol ,urea,`CO_(2)`,`NH_(3)`metalloids,and reactive oxygen species (ROS) in addition to water.They increase the permeability of the membrane to water.They conder drought and salt stress tolerance.

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Peter Agre discovered aquaporin in ............. .

RBC

WBC

Platelets

Plasma membrane

Identify the correct statements from the below about " aquaporins " . (I) Aquaporin is a water channel protein. (II) It regulates the massive amount of water transport . (III) Over 30 types of aquaporins are known from maize. (IV) Plants contain variety of aquaporins

I,II, and IV only

I and III only

I and IV only

I, II , III and IV

Over 30 types of aquaporins have been reported in ________ .

Rice

Maize

Peas

Soybean