Calvin Cycle quiz #2 Flashcards
Calvin Cycle quiz #2
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Where does the Calvin Cycle occur?
The Calvin Cycle occurs in the stroma of chloroplasts. Where does the Calvin Cycle take place?
The Calvin Cycle takes place in the stroma of chloroplasts. In which organelle do the light-independent reactions of photosynthesis occur?
The light-independent reactions of photosynthesis occur in the chloroplasts. Where in eukaryotic cells does the Calvin Cycle take place?
In eukaryotic cells, the Calvin Cycle takes place in the stroma of chloroplasts. What part of the chloroplast does the Calvin Cycle take place?
The Calvin Cycle takes place in the stroma of the chloroplast. Where in plant cells does the Calvin Cycle take place?
In plant cells, the Calvin Cycle takes place in the stroma of chloroplasts. The dark reaction is also known as which of the following? A) Light-dependent reactions B) Calvin Cycle C) Glycolysis D) Krebs Cycle
B) Calvin Cycle In which stage of the Calvin Cycle does the plant cell produce energy for storage?
Energy for storage is produced during the G3P synthesis phase of the Calvin Cycle. Where in the chloroplast does the Calvin Cycle take place?
The Calvin Cycle takes place in the stroma of the chloroplast. Where in a plant cell does the Calvin Cycle take place?
In a plant cell, the Calvin Cycle takes place in the stroma of chloroplasts. How can cells store the sugar that is produced in photosynthesis?
Cells can store the sugar produced in photosynthesis as glucose. Where do the light-independent reactions take place?
The light-independent reactions take place in the stroma of chloroplasts. Where do the dark reactions occur?
The dark reactions occur in the stroma of chloroplasts. In which part of the chloroplast do light-independent (Calvin Cycle) reactions occur?
Light-independent reactions occur in the stroma of the chloroplast. Which of the following are products of the Calvin Cycle? A) Oxygen B) Glucose C) ATP D) NADPH
B) Glucose What is the first step of carbon dioxide reduction during the Calvin Cycle?
The first step of carbon dioxide reduction during the Calvin Cycle is carbon fixation, where CO2 is attached to RuBP by the enzyme RuBisCO. What is the Calvin Cycle and where does it occur in the chloroplast?
The Calvin Cycle is the second stage of photosynthesis that occurs in the stroma of the chloroplast. What is the main purpose of the Calvin Cycle in photosynthesis?
The main purpose of the Calvin Cycle is to convert carbon dioxide into glucose using ATP and NADPH. What enzyme is responsible for attaching CO2 to RuBP during carbon fixation?
The enzyme RuBisCO is responsible for attaching CO2 to RuBP during carbon fixation. Why is the Calvin Cycle sometimes called the C3 pathway?
It is called the C3 pathway because the first stable product is a 3-carbon molecule (PGA). How many G3P molecules are needed to synthesize one glucose molecule?
Two G3P molecules are needed to synthesize one glucose molecule. What is RuBP and why is its regeneration important in the Calvin Cycle?
RuBP (ribulose bisphosphate) is a 5-carbon sugar that must be regenerated to allow the Calvin Cycle to continue. How many CO2 molecules are required to produce one glucose molecule in the Calvin Cycle?
Six CO2 molecules are required to produce one glucose molecule. What is the main product of the Calvin Cycle?
The main product of the Calvin Cycle is glucose. What is the function of RuBisCO in the Calvin Cycle?
RuBisCO catalyzes the attachment of CO2 to RuBP during carbon fixation. What is the relationship between the number of carbon atoms in CO2 and glucose in the Calvin Cycle?
Six carbon atoms from six CO2 molecules are incorporated into one glucose molecule, which also has six carbons. What is the role of ATP in the Calvin Cycle?
ATP provides energy for the synthesis of G3P and the regeneration of RuBP. Why is the Calvin Cycle considered a cycle?
It is considered a cycle because RuBP is regenerated at the end, allowing the process to repeat. What happens during the carbon fixation phase of the Calvin Cycle?
CO2 is attached to RuBP by RuBisCO, forming a 3-carbon molecule (PGA). What happens during the RuBP regeneration phase of the Calvin Cycle?
Remaining G3P molecules are rearranged using ATP to regenerate RuBP. What mnemonic can help remember the reactants and products of the Calvin Cycle?
‘Calvin’s can of sugar’ helps remember CO2, ATP, NADPH (reactants), and glucose (product). What is the importance of glucose produced by the Calvin Cycle?
Glucose serves as an energy source and building block for the plant.
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