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Chapter 8 & 9
Vocabulary Words
21
Biology
10th Grade
03/23/2009

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Term
Anaerobic
Definition
Not requiring oxygen
Term
NADPH
Definition
Electron carrier used in photosynthesis
Term
Cellular Respiration
Definition
Process that releases energy by breaking down food molecules in the presence of oxygen
Term
Light Dependent Reactions
Definition
Uses energy from light to produce ATP and NADPH
Term
Chlorophyll
Definition
Principal pigment in plants
Term
Stroma
Definition
Fluid filled region outside thylakoid
Term
Autotroph
Definition
Organisms that make their own food
Term
NADP
Definition
Electron carrier used in cellular respiration
Term
Electron Transport Chain
Definition
Uses high energy electrons from the Krebs cycle to convert ADP into ATP
Term
Krebs Cycle
Definition
Pyruvic acid is broken down into carbon dioxide in a series of energy- extracting reactions
Term
Calvin Cycle
Definition
Uses ATP and NAADPH to produce high energy sugars
Term
Adenosine Triphosphate
Definition
Principal chemical compound living things use on a cellular level
Term
Photosynthesis
Definition
Process by which plants use the energy of sunlight to convert water and carbon dioxide
Term
Calorie
Definition
Amount of energy needed to raise the temperature of water 1 Celsius degree
Term
ATP Synthase
Definition
Protein that allows H+ ions to pass through it as it rotates producing ATP
Term
Glycolysis
Definition
Process that releases only a small amount of energy from glucose
Term
Fermentation
Definition
Process that releases energy from food molecules in the absence of oxygen
Term
Thylakoid
Definition
Photosynthetic saclike membranes found in chloroplasts
Term
Heterotroph
Definition
Organisms that obtain energy from the foods they consume
Term
Aerobic
Definition
Requiring Oxygen
Term
Pigment
Definition
Light absorbing molecules
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