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Chapter 15
Cell Processes
13
Science
7th Grade
01/04/2011

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Cards

Term
What 4 elements make up life?
Definition
Carbohydrates, Lipids, Protein, Nucleic Acid
Term
Define Organic Compound
Definition
made from carbon, makes up living things: carbohydrates, lipids, protein and nucleic acid
Term
Define inorganic compound
Definition
made from elements beside carbon
Term
Define Selectively Permeable Grid
Definition
A grid that allows some substances to enter and exit
Term
Define Diffusion
Definition
Diffusion is when molecules move from where there are more to where there are less
Term
Define Osmosis
Definition
the diffusion of water through the cell membrane
Term
Define Passive Transport
Definition
the movement of substances through the cell membrane withiout the use of cellular energy
Term
Define Active Transport
Definition
when energy is required to move through the cell membrane
Term
Define Metabolism
Definition
the chemical reations in an organism
Term
Define Protiens
Definition
Proteins regulate cell processes and build cell structures
Term
Define Lipid
Definition
Lipids store the amount of long term energy; fat
Term
Define Nucleic Acid
Definition
carries hereditary informations
Term
Define Carbohydrate
Definition
Carbohydrates supply energy for cell processes from plant structures
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