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Through which process, starch of the guard cell is converted into PEP ions?

a)

Dephosphorylation

b)

Decarboxylation

c)

Hydrolysis

d)

Oxidation


Question ID - 3908 | Toppr Answer

Through which process, starch of the guard cell is converted into PEP ions?

a)

Dephosphorylation

b)

Decarboxylation

c)

Hydrolysis

d)

Oxidation

1 Answer - 5876 Votes

3537

Answer Key : (c) -

(c)

exchange pump for stomatal movement was given by Levitt (1974). According to this, there is accumulation of  ions in the guard cells during day time. A rise in pH during day time causes hydrolysis of starch to form organic acid, i.e., phosphoenol pyruvate (PEP).



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