Chapter 8: Photosynthesis Vocabulary

Front

adenosine triphosphate (ATP)

Back

stores and releases energy in the cell

consists of

-adenine

-5-carbon

sugar called ribose

-three phosphate groups.

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heterotrophs

Back

Organisms that obtain food by consuming other living things

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autotrophs

Back

Organisms that make their own food

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Front

photosynthesis

Back

autotrophs use the energy of sunlight to produce high-energy carbohydrates

—sugars and starches—

that can be used as food

-Carbon dioxide + Water

--------->(Light) --------->

Sugars + Oxygen

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pigments

Back

light-absorbing molecules

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chlorophyll

Back

plants’ principal pigment

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thylakoids

Back

-found in chloroplasts

-saclike photosynthetic membranes

-interconnected and arranged in stacks known as grana

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stroma

Back

fluid portion of the chloroplast, outside of the thylakoids

Front

NADP

Back

-nicotinamide adenine dinucleotide phosphate

-holds 2 high-energy electrons, along with a hydrogen ion

Front

light-dependent reactions

Back

require the direct involvement of light and light-absorbing pigments

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