Question

"The following process is part of the light-independent reactions of photosynthesis.

Glycerate 3-phosphate --> Triose phosphate
This process requires two substances produced in the light-dependent reactions. Name these two substances. Describe the role of each in the conversion of GP to triose phosphate. (4)"
a) The two substances are oxygen and ATP, and they convert GP into oxygen.
b) The two substances are NADPH and ATP, and they convert GP into glucose.
c) The two substances are glucose and water, and they convert GP into triose phosphate.
d) The two substances are carbon dioxide and oxygen, and they convert GP into carbohydrates.

Answer 1

ATP and NADPH are the two substances produced in the light-dependent reactions that are required for the conversion of GP to triose phosphate.

Step-by-step explanation:

The two substances produced in the light-dependent reactions of photosynthesis that are required for the conversion of glycerate 3-phosphate (GP) to triose phosphate are ATP and NADPH.

ATP (adenosine triphosphate) is an energy-carrying molecule that provides the energy needed for the conversion of GP to triose phosphate. NADPH (nicotinamide adenine dinucleotide phosphate) is a reducing agent that provides high-energy electrons for the reduction of GP to triose phosphate.