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Does different enzyme controls photosynthesis?
During photosynthesis, the enzyme ribulose-1,5-bisphosphate carboxylase/oxygenase (RuBisCO) plays a key role in the fixation of carbon dioxide. This enzyme helps catalyze the initial steps of the Calvin cycle, which is essential for converting carbon dioxide into glucose. Without RuBisCO, photosynthesis would not occur efficiently.
Which enzyme is used during the Calvin cycle?
The primary enzyme used during the Calvin cycle is ribulose-1,5-bisphosphate carboxylase/oxygenase, commonly known as RuBisCO. This enzyme catalyzes the reaction of carbon dioxide with ribulose-1,5-bisphosphate (RuBP) to form 3-phosphoglycerate (3-PGA), the first stable product of the cycle. RuBisCO plays a crucial role in fixing atmospheric carbon into organic compounds during photosynthesis.
How many carbon are there in RuBP?
Ribulose bisphosphate (RuBP) contains five carbon atoms. It plays a crucial role in the Calvin cycle of photosynthesis, where it acts as a substrate for the enzyme RuBisCO, facilitating the fixation of carbon dioxide.
Carbon fixation is catalyzed by what enzyme?
Carbon fixation is catalyzed by the enzyme ribulose-1,5-bisphosphate carboxylase/oxygenase (RuBisCO). RuBisCO is found in plants, algae, and some bacteria, and plays a key role in the Calvin cycle, where it converts carbon dioxide into organic molecules like glucose.
What part of the photosynthetic cycle involves an enzyme taking a molecule of NADP and adding two electrons and one proton to it?
The part of the photosynthetic cycle that involves an enzyme adding two electrons and one proton to a molecule of NADP is known as the Calvin cycle. Specifically, this process occurs during the reduction phase, where NADP+ is reduced to NADPH. This reaction is facilitated by the enzyme ferredoxin-NADP+ reductase (FNR), which plays a crucial role in transferring electrons from photosystem I to NADP+, ultimately contributing to the formation of glucose and other carbohydrates.
Which part of the photosynthetic cycle involves an enzyme taking a molecule of NADP plus and adding two electrons and one proton to it?
The part of the photosynthetic cycle that involves an enzyme adding two electrons and one proton to NADP+ is known as the light-dependent reactions, specifically during the process of photophosphorylation. In this process, electrons are generated from the splitting of water molecules and are transferred through the electron transport chain, ultimately reducing NADP+ to NADPH. This NADPH then plays a crucial role in the subsequent light-independent reactions (Calvin cycle) to synthesize glucose.
What position does Calvin Barnett play?
Calvin Barnett plays for the Cleveland Browns.
What is isocitrate dehydrogenase?
Isocitrate dehydrogenase is an enzyme that plays a crucial role in the citric acid cycle, also known as the Krebs cycle. It catalyzes the conversion of isocitrate to alpha-ketoglutarate with the concomitant reduction of NAD+ to NADH. Mutations in isocitrate dehydrogenase have been associated with certain types of cancer.
Is RuBP produced during cyclic electron flow in the light reactions of photosynthesis?
No, RuBP (ribulose-1,5-bisphosphate) is not produced during cyclic electron flow in the light reactions of photosynthesis. RuBP is a 5-carbon sugar molecule that plays a key role in the Calvin cycle, where it serves as the substrate for carbon fixation by Rubisco enzyme. Cyclic electron flow involves a cyclic pathway of electron transport to generate ATP without the release of oxygen or the production of NADPH.
A substance that acts as a catalyst during photosynthesis is?
The substance that acts as a catalyst during photosynthesis is an enzyme called Rubisco. Rubisco plays a key role in the carbon fixation process, where it catalyzes the reaction that combines carbon dioxide and ribulose-1,5-bisphosphate to form 3-phosphoglycerate in the Calvin cycle.
What is the succinate dehydrogenase role in the cell?
Succinate dehydrogenase is an enzyme that plays a key role in both the citric acid cycle (Krebs cycle) and the electron transport chain. It catalyzes the oxidation of succinate to fumarate, generating FADH2 in the process. This enzyme helps in the production of ATP and is essential for cellular respiration.
What is the function of water in light independent reaction?
In the light-independent reactions of photosynthesis, also known as the Calvin cycle, water plays a crucial role by providing the necessary electrons and protons for the synthesis of glucose. While water is not directly involved in the Calvin cycle itself, its role in the light-dependent reactions helps in generating ATP and NADPH, which are essential energy carriers used in the Calvin cycle to convert carbon dioxide into organic molecules. Thus, water indirectly supports the formation of glucose through these energy-rich compounds.
