When Adequate Light Is Available, the Overall Rate of Photosynthesis

question 54

Multiple Choice

When adequate light is available, the overall rate of photosynthesis is dependent on the rate of

• A) Ca⁺⁺ levels
• B) Sucrose accumulation
• C) Starch accumulation
• D) Phytochrome concentration
• E) Carbon dioxide fixation

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Definitions:

But-1-ene

A linear four-carbon alkene with a double bond between the first and second carbon atoms, with the formula C4H8.

Dehydrogenation

A chemical reaction that involves the removal of hydrogen from a molecule, often making unsaturated bonds.

∆G°

The standard change in Gibbs free energy for a process, indicating whether a reaction is thermodynamically favorable under standard conditions.

∆H°

Standard enthalpy change of a reaction, representing the heat exchanged under standard conditions (1 atm, 298.15 K).