Photosynthesis

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Last updated: October 20, 2025

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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

Hint	Answer
How does low light intensity affect photosynthesis	limits light dependent stage
How does low light intensity affect photosynthesis	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
what are the products of photosynthesis	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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