18 Questions
What is the main function of the Calvin cycle in photosynthesis?
Regenerate RuBP
What is the role of G3P in the Calvin cycle?
Regenerates RuBP
Which enzyme is crucial for the fixation of carbon dioxide in the Calvin cycle?
RuBisCO
How many G3P molecules are exported out of the Calvin cycle?
One
What is the purpose of regenerating RuBP in the Calvin cycle?
To fix more carbon dioxide
What molecule produced in the light-dependent reactions provides energy for the Calvin cycle?
ATP
What type of reaction occurs during the Calvin cycle?
Reduction process
Which enzyme catalyzes the reaction where carbon dioxide combines with ribulose-1,5-biphosphate in the Calvin cycle?
RuBisCO
During the Calvin cycle, what is the specific compound produced by combining carbon dioxide with a five-carbon sugar?
Glyceraldehyde 3-phosphate (G3P)
What is the main purpose of the RuBisCO enzyme in the Calvin cycle?
Catalyze the reaction between carbon dioxide and ribulose-1,5-biphosphate
What role does ATP play during the Calvin cycle?
It provides energy for building high-energy sugars
Which part of the plant allows carbon dioxide to enter the Calvin cycle?
Leaves' stomata
What is the purpose of fixation in the Calvin Cycle?
To pluck carbon atoms from carbon dioxide and attach them to an organic molecule
Which enzyme is responsible for catalyzing the conversion of 3-phosphoglycerate (PGA) into glyceraldehyde 3-phosphate (G3P)?
PGA Kinase
How many 'turns' of the Calvin Cycle are required to fix enough carbon to export one molecule of G3P?
Three turns
What is the primary function of RuBisCO in the Calvin Cycle?
Catalyze the fixation of carbon dioxide
During the reduction phase of photosynthesis, what happens to NADPH?
It gains an electron and a hydrogen atom
What is the product of converting six molecules of 3-phosphoglycerate (PGA) during the reduction phase of photosynthesis?
Glyceraldehyde 3-phosphate (G3P)
Test your knowledge on the process of photosynthesis, specifically focusing on the entry of carbon dioxide into the cycle and the reduction phase involving ATP and NADPH. Explore how carbon atoms are fixed to organic molecules and converted into energy-rich compounds.
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