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chapter 7
vocab terms
18
Biology
9th Grade
12/10/2010

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Term
photosynthesis
Definition
plant's use the sun's energy to convert water and carbon dioxide into sugars.
Term
autotrophs
Definition
organism such as a plant that makes its own food.
Term
heterotrophs
Definition
organisms that cannot make their own food, such as animals.
Term
cellular respiration
Definition
both producers and consumers release the energy in food through the process.
Term
kinetic energy
Definition
energy of motion such as when you climb to the top of a water slide.
Term
potential energy
Definition
energy that is stored due to an object's position or arrangement.
Term
thermal energy
Definition
type of kinetic energy that molecules have as they move randomly.
Term
chemical energy
Definition
organic compounds that make up food have a form of potential energy.
Term
calorie
Definition
amount of energy required to raise the temperature of 1 gram of water by 1 degree celsius.
Term
what are the three maintypes of work that cells perform
Definition
mechanical, transport, and chemical.
Term
aerobic
Definition
process that requires oxygen for cellular respiration.
Term
electron transport chain
Definition
electrons carriers pass the electrons to other carriers in a seris of transfers.
Term
metabolism
Definition
chemical processes in a cell make up the cell
Term
glycolysis
Definition
first stage, occurs in the cytoplasm. each of the two pyruvic molecules is converted to acetyl CoA.
Term
krebs cycle
Definition
occurs in the matrix of the inner membrane of the mitochondrion.
Term
ATP synthase
Definition
enzyme that uses the energy to produce up to 34 molecules of ATP from one glucose molecule.
Term
fermentation
Definition
makes ATP entirely from glyxolysis without using oxygen.
Term
anaerobic
Definition
an environment without oxygen, yeast cells ferment suagr and other foods.
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