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Photosynthesis
Mr. Stubbs
16
Biology
9th Grade
10/28/2013

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Term
heterotrophs
Definition
Organisms that obtain their food by consuming other living things
Term
autotrophs
Definition
Organisms that make their own food. Use Photosynthesis.
Term
Photosynthesis
Definition
process used by plants and other autotrophs to capture light energy and use it to power chemical reactions that convert carbon dioxide and water into oxygen.
Term
Chlorophyll
Definition
principal pigment of plants and other photosynthetic plants.
Term
pigment
Definition
light- absorbing molecule used by plants to gather the sun's energy
Term
Thylakoid
Definition
saclike photosynthetic membranes found in chloroplasts. Where pigments are located.
Term
Stroma
Definition
the fluid portion of the chloroplast, outside the thylakoid.
Term
Light Dependent Reaction
Definition
use energy from sunlight to produce energy-rich compounds. Require the direct involvment of light abd light- absorbing pigments. Take Place in the thylakoid membranes.
Term
Light Independent Reaction
Definition
ATP and NADPH molecules produced in the light dependent reaction are used to produce high-energy sugars from carbon monoxide. No light is required. Take place in the stroma.
Term
photosystems
Definition
absorb sunlight and generate high energy electrons that are passed to a series of electron carriers embedded in the thylakoid membrane.
Term
electron transport chain
Definition
is a sereis of electron carrier porteins that shuttle high energy electrons during ATP- generating reactions.
Term
ATP synthase
Definition
allos H+ ions to pass through the membrane.
Term
heterotrophs
Definition
Organisms that obtain their food by consuming other living things
Term
photosystems
Definition
absorb sunlight and generate high energy electrons that are passed to a series of electron carriers embedded in the thylakoid membrane.
Term
electron transport chain
Definition
is a sereis of electron carrier porteins that shuttle high energy electrons during ATP- generating reactions.
Term
ATP synthase
Definition
allows H+ Ions to pass through the membrane.
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