Photosynthesis Flashcards

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1
Q

Pigment

A

light-absorbing molecules used by plants to gather the sun’s energy

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2
Q

Chlorophyll

A

principal pigment of plants and other photosynthetic organisms

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3
Q

Thylakoid

A

saclike photosynthetic membranes found in chloroplasts

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4
Q

Stoma

A

small opening in the epidermis of a plant that allows carbon dioxide, water, and oxygen to diffuse into and out of the leaf

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5
Q

NADP+

A

carrier molecule that transfers high-energy electrons from chlorophyll to other molecules

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6
Q

light-dependent reactions

A

set of reactions in photosynthesis that use energy from light to produce ATP and NADPH

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7
Q

light-independent reactions

A

set of reactions in photosynthesis that do not require light; energy from ATP and NADPH is used to build high-energy compounds such as sugar; also called the Calvin cycle

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8
Q

photosystem

A

cluster of chlorophyll and proteins found in thylakoids

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9
Q

electron transport chain

A

series of electron carrier proteins that shuttle high-energy electrons during ATP-generating functions

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10
Q

ATP synthase

A

cluster of proteins that span the thylakoid membrane and allow hydrogen ions (H+) to pass through it

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11
Q

Calvin Cycle

A

set of reactions in photosynthesis that do not require light; energy from ATP and NADPH is used to build high-energy compounds such as sugar; also called the light-independent reactions

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