Photosynthesis Recap 2 - 2024

During photosynthesis, cells capture the energy of sunlight using

• Stoma

• Thylakoids

• NADPH+

• Chlorophyll

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Chlorophyll is a type of ______________.

• Pigment

• Hormone

• Nucleotide

• Carbohydrate

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Photosynthesis also relies on a compound called

• Glucose

• ATP Synthase

• DNA

• NADP

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NADP is an electron __________  that accepts and transfers high-energy electrons.

• source

• donor

• carrier

• sink

During photosynthesis, carbon dioxide and   ___________ are converted through a series of reactions into two products

• oxygen

• methane

• water 

• sodium chloride

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The two products of photosynthesis are ____________ and ___________.

• sugars and oxygen

• carbon monoxide and proteins

• sunlight and hydrogen

• Lipids and methane

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Sandra wants to modify the diagram to include chlorophyll. Which would be the most useful strategy?

• Add representations of chlorophyll molecules inside the stroma.

• Add representations of chlorophyll molecules on the outer membrane.

• Group two or more grana together, and label them as chlorophyll.

• Add an enlarged illustration of a thylakoid, and represent chlorophyll molecules in the thylakoid membrane.

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Should water (H₂O) be included in the model as a reactant or product? If so, how should it be included?

• Yes, as reactant A.

• Yes, as product B.

• Yes, as reactant C.

• No, it should not be included.

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What is the role of compound C?

• a reactant that provides the energy for assembling sugars

• a reactant that provides the carbon and hydrogen for sugars

• a reactant that provides the carbon and oxygen for sugars

• a product that forms along with sugars

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Vernon wonders whether NADPH and ATP should be classified as reactants or as products of photosynthesis. How should these compounds be classified?

• as reactants, because they are used up by photosynthesis

• as products, because they are generated by photosynthesis

• as either reactants or products, depending on the rate that photosynthesis occurs

• as neither reactant nor product, because they are recycled instead of made or used up

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