Shared Flashcard Set

Details

vocab words
n/a
6
Science
7th Grade
11/13/2008

Additional Science Flashcards

 


 

Cards

Term

 

 

Passive Transport

 

 

Definition
  • Movement across cell membrane without using energy (atp)
  • Move from high(many)to low(few)
  • Key:No Energy
 
Term

 

 

Active Transport

Definition
  • Movement across the membrane using energy
  • Move from low(few)to high(many)
  • Key:Energy
Term

 

 

Diffusion

Definition
  • Particles move the high concentration to low concentration
  • dose not need energy
  • Example: dye on the top of gelatin
Term

 

 

Osmosis

Definition
  • Diffusion of water through a semipermeable cell membrane
  • Water molecules move from high consontration to low concentration
  • Example: red blood cell and plasma: plants wilting
Term

 

 

Endocytosis

Definition
  • large particles into the cell*
  • active transport(uses energy)
  • uses vesicles
  • Example: protine
Term

 

 

Exocytosis

Definition
  • active transport(uses energy)
  • uses vesicles
  • Example:protine
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