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Science Vocab
2-2
13
Other
Not Applicable
01/26/2004

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Term
cell membrane
Definition
structure that forms the outer boundry of the cell and allows only certain materials into and out of the cell
Term
cytoplasm
Definition
gel-like material inside the cell membrane
Term
organelles
Definition
structures within the cytoplasm of euroyotic cells
Term
nucleus
Definition
largest organelle in the cytoplasm of a euroytoic cell
Term
chromatin
Definition
genetic blueprints for the operations of the cell in the form of long strands called ______
Term
endoplasmic reticulum (ER)
Definition
folded membrane that moves materials around in the cell
Term
ribosomes
Definition
receive directions from the nucleus on how to make specific proteins
Term
golgi bodies
Definition
packaging and secrecting organelles of the cell
Term
mitochondria
Definition
organelles where food molecules are broken down and energy is released
Term
lysosomes
Definition
chemicals that digest waste and worn out cell parts
Term
vacuoles
Definition
storage areas in cells
Term
cell wall
Definition
rigid structure outside the cell memebrane that supports and protects the plants
Term
chloroplasts
Definition
organelles in plant cells in which light energy is changed into chemical energy
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