DENDROLOGY

TREE PHYSIOLOGY

PHOTOSYNTHESIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In green plants, the primary function of the Calvin cycle is to
A
Use ATP to release carbon
B
Split water to release oxygen.
C
Construct simple sugars from carbon dioxide.
D
Use NADPH to release carbon
Explanation: 

Detailed explanation-1: -In the most general sense, the primary function of the Calvin cycle is to make organic products that plants need using the products from the light reactions of photosynthesis (ATP and NADPH ).

Detailed explanation-2: -So, how does photosynthesis store energy in sugar? Six “turns” of the Calvin cycle use chemical energy from ATP to combine six carbon atoms from six CO2 molecules with 12 “hot hydrogens” from NADPH. The result is one molecule of glucose, C6H12O6.

Detailed explanation-3: -Answer and Explanation: The primary product of the Calvin cycle is glyceraldehyde three phosphate or G3P. G3P is then used to synthesize glucose, and glucose is then used as the monomeric monosaccharide to produce larger polymeric polysaccharides. The Calvin cycle is also called the dark reactions of photosynthesis.

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