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Multiple Choice
What is RuBisCO and how is it involved in the light-independent reactions of photosynthesis?
A
RuBisCO is a protein that transports electrons in the electron transport chain.
B
RuBisCO is a pigment that absorbs light energy to drive the light-dependent reactions.
C
RuBisCO is an enzyme that catalyzes the fixation of carbon dioxide into organic molecules during the Calvin cycle.
D
RuBisCO is a carbohydrate that stores energy produced during photosynthesis.
Verified step by step guidance
1
RuBisCO stands for Ribulose-1,5-bisphosphate carboxylase/oxygenase, which is an enzyme crucial in the process of photosynthesis.
RuBisCO is involved in the Calvin cycle, which is part of the light-independent reactions of photosynthesis.
During the Calvin cycle, RuBisCO catalyzes the reaction between carbon dioxide and ribulose-1,5-bisphosphate (RuBP), a 5-carbon sugar, to form two molecules of 3-phosphoglycerate (3-PGA).
This reaction is the first step in the fixation of carbon dioxide into organic molecules, which are then used to produce glucose and other carbohydrates.
RuBisCO is not involved in the electron transport chain, nor is it a pigment or a carbohydrate; its primary role is as an enzyme facilitating carbon fixation.