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8 Photosynthesis

Prentice Hall Biology, SC Chapter 8 Photosynthesis

QuestionAnswer
Autotrophs Make their own food
Heterotrophs Obtain energy from the food they consume
ATP Adenosine Triphosphate- one of the principle chemical compounds that cells use to store and release energy
Phototsynthesis Process plants use energy of sun to convert water and carbon dioxide into high-energy sugar
van Helmont Trees gain most of their mass from water
Priestley Finds that plants release oxygen
Ingenhousz Plants need sunlight to produce oxygen
Pigments light-absorbing molecules
Chlorophyll Plants' principal pigment
Two main types of chlorophyll a and b
Types of light chlorophyll a absorbs blue-violet and red
Types of light chlorophyll b absorb blue and red
Thylakoids Saclike photosynthetic membranes. proteins in membrane organize chlorophyll and other pigments into photosystems
Granum Stack of thylakoids
Photosystems clusters of pigments
Stroma Where Calvin cycle takes place in side the thylakoid membrane
NAPD Carrier molecule of high energy electron
Light-Dependent Reactions A reaction that depends on light
ATP Synthase Spans membrane and allows hydrogen ions to pass through
Clavin Cycle Light Independent Reaction. Uses ATP and NADPH to produce high energy sugars
Factors Affecting Photosynthesis Temperature. Water. Intensity of light.
Created by: rachael94
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