Photosynthesis Vocab

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Xanthophyll

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A pigment that reflects yellow light and is involved in photosynthesis.

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Photosynthesis

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The process of converting light energy into chemical energy in the form of sugar.

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Grana

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An entire stack of thylakoids, which are the sites of the light-dependent reactions of photosynthesis.

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Spongy layer

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Layer of the leaf with loosely packed cells surrounded by air space at the bottom of the mesophyll, facilitating gas exchange.

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Light independent cycle

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Also known as the Calvin cycle, it is the part of photosynthesis that does not require light to occur.

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Chlorophyll

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The green pigment found in plants that absorbs light energy for photosynthesis.

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Thylakoid

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A membrane-bound compartment inside chloroplasts that contains chlorophyll and is the site of the light-dependent reactions.

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Stroma

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The fluid-filled space surrounding the thylakoids in chloroplasts where the light-independent reactions occur.

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Pigment

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A substance that absorbs light and gives color to plants, playing a crucial role in photosynthesis.

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Mesophyll

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The inner tissue of a leaf, containing chloroplasts where photosynthesis occurs.