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Science 7 CELLS
Cell Test Study Guide
13
Science
7th Grade
11/20/2008

Additional Science Flashcards

 


 

Cards

Term

 

 

cytoplasm

Definition

 

 

gel-like material inside the cell

Term

 

 

cell membrane

Definition

 

 

protective covering of a cell;

allows certain things in and out of the cell and keeps other things out

Term

 

 

nucleus

Definition
  • the control center
  • largest organelle in an animal cell
  • contains the chromosomes
Term

 

 

endoplasmic reticulum

Definition
  • part of the cell transport system where ribosomes make proteins
  • similar to an assembly line
Term

 

 

ribosomes

Definition
  • make proteins
  • receive instructions for how to make things from chromosomes
  • like workers or robots in a factory
Term

 

 

mitochondria

Definition
  • release energy in the cell
  • the powerhouse of the cell
  • similar to a power plant
  • think "mighty mitochondria"
Term

 

 

chromosomes

Definition
  • contain the cell's genetic material
  • gives instructions to ribosomes
  • similar to a computer
Term

 

 

chloroplast

Definition
  • uses energy from sunlight to make sugar
  • only found in plant cells
Term

 

 

cell wall

Definition

 

 

tough outer covering outside the cell membrane that supports and protects a plant cell

Term

 

 

vacuole

Definition

 

 

stores water, food, and waste products;

plant cells have a large central vacuole

Term

 

 

Golgi bodies (or apparatus)

Definition

 

 

finishes processing materials made in the endoplasmic reticulum

Term

 

 

lysosome

Definition

 

 

digests waste and worn out cell parts

Term

 

http://www.cellsalive.com/cells/cell_model.htm

 

 

Definition
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