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Chapt 8 Chapt 9
Vocab
20
Biology
9th Grade
10/13/2009

Additional Biology Flashcards

 


 

Cards

Term
autotrophs
Definition
Organisms that make their own food
Term
heterotrophs
Definition
cannot use suns direct energy so obtain energy from food
Term

Adenosine triphosphate

ATP

Definition
chemical compound that cells use to store and release energy
Term
Photosynthesis
Definition
plants use energy of sunlight to convert water and carbon dioxide into high energy carbohydrates sugars and starches
Term
Pigments
Definition
light asorbing molecules
Term
Chlorophyll
Definition
plants principle pigment
Term
Thylakoids
Definition

contain saclike photosynthic membranes and arranged in stacks known as grana

 

Term
Photosystems
Definition

light collecting units in chloroplast

 

Term
Stroma
Definition
region outside thylakoid membrane and where calvin cycle takes place
Term
NADP
Definition
accepts and hold 2 high energy electrons along with a hydrogen ion
Term
Light dependent reactions
Definition
require light
Term
Calvin Cycle
Definition
uses atp and nadph from light dependent reactions to high energy sugars
Term
Calorie
Definition
amount of energy needed to raise the temperature of 1 gram of water 1 degree celcius
Term
glycosis
Definition
releases only a small amount of energy
Term
cellular resperation
Definition
process that releases energy by breaking down glucose and other food molecules in the precense of oxygen
Term
Fermenation
Definition
releases energy from food molecules by producing atp in the absence of oxygen
Term
anaerobic
Definition
not in air
Term
aerobic
Definition
require energy
Term
Krebs Cycle
Definition
citric cycle
Term
electron transport chain
Definition
uses the high energy electrons from krebs cycle to convert adp into atp
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