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Photosynthesis

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julia7c
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Last updated: October 20, 2025
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First submittedOctober 20, 2025
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Average score15.2%
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Hint
Answer
What is the term for the excitation and loss of electrons from pigments due to the absorption of light energy
photoionisation
What happens to pigments when they lose electrons during the light-dependent reaction
oxidised
What does a large surface area allow thylakoids to contain more of
chlorophyll and electron carriers
What is the process by which ATP is formed using light energy
photophosphorylation
What happens to electrons in pigments when they absorb light energy
excited
What is the process of splitting water into electrons, protons, and oxygen called
photolysis
What is the movement of protons through ATP synthase called
chemiosmosis
Where does the light-independent reaction occur
stroma
what are the reactants in the light-independent reaction
atp
carbon dioxide
reduced nadp
Which enzyme catalyses the reaction between carbon dioxide and RuBP
rubisco
What is the product of the reaction between carbon dioxide and RuBP
unstable 6 carbon compound
How many carbon atoms does glycerate-3-phosphate have
3
What is glycerate-3-phosphate reduced to during the light-independent reaction
triose phosphate
What happens to reduced NADP during the reduction of glycerate-3-phosphate
oxidised
What is most of the triose phosphate used for in the light-independent reaction
regenerate ribulose biphosphate
How does low light intensity affect photosynthesis
limits light dependent stage
reduces production of atp
what is it when the volume of oxygen produced and carbon dioxide absorbed in photosynthesis is balanced by the oxygen absorbed and the carbon dioxide produced by respiration
light compensation point
what are the products of photosynthesis
glucose
oxygen
What is the primary purpose of the light-independent reaction in photosynthesis
produce sugars
What is the primary role of chlorophyll in photosynthesis
capture light energy
What is the primary role of stomata in plant leaves
facilitate gas exchange
What is the primary function of chloroplasts in plant cells
carry out photosynthesis
what do chloroplasts do
absorb light energy
Where are chloroplasts primarily found in plants
mesophyll tissue
How many membranes surround chloroplasts
2
What are the flattened sacs inside chloroplasts that contain photosynthetic pigments
thylakoids
What are stacks of thylakoids called
grana
Where do the light-independent reactions of photosynthesis occur in chloroplasts
stroma
What is the term for the membranous extensions that connect thylakoids in chloroplasts
lamellae
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