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Chapter 3
vocab
23
Science
7th Grade
11/13/2012

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Term
Alcohol
Definition
One of the products of fermentation along with organic acids +CO2
Term
ATP
Definition
Compuonds that store energy that has been released from glucose.
Term
Active transport
Definition
the use of energy from one area of low concentration to an area of higher concentration.
Term
Consumer
Definition
an organism that can't creat its own food.
Term
Diffusion
Definition
movment of molicules areas if high concentration to areas of low concentration.
Term
Equilibrium
Definition
occurs when molicules of on substance are spread evenly through another substance.
Term
Enzyme
Definition
a type of protien that regulates nearly all chemical reactions.
Term
Endocytosis
Definition
a process by witch a cell takes in a substance by surounding it with the cell membrane.
Term
Exocytosis
Definition
A process by witch vesiles in a cell release thier contents outside the cell.
Term
Fermentation
Definition
An anaerobic process not requiring oxygen.
Term
Inorganic compounds
Definition
Chemical compounds that are not organic.
Term
Metabolism
Definition
Metabolism is the set of chemical reactions that occur in living orgamisms.
Term
Mitochondrian
Definition
The power house of a cell.
Term
Mixture
Definition
A combination of substances in witch the individuale substances do not change or combine chemicaly.
Term
Nucleus
Definition
The control center of a cell-contains the cells DNA.
Term
Nuclear envelope
Definition
Membrane surounding the nucleus.
Term
Osmosis
Definition
Passive transport of water.
Term
Organic compounds
Definition
chemical compounds that contain carbon an hydrogen elements usualy associated with life process.
Term
Pasive transport
Definition
Substances pasing threw a cell with no energy involved.
Term
Photosinthesis
Definition
The process by witch green plants use energy from the sun to produce sugar and oxygen from carbon dioxide.
Term
Producer
Definition
An organism that can make its own food
Term
Respiration
Definition
An aerobic process inwitch organs convert sugars to release energy stored in food molicules.
Term
Semi-Permiable
Definition
Allowing only certin substances to pass through.
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