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u1.s1.c1 & u1.s2.c1
need to know words for u1.s1.c1 & u1.s2.c1
12
Science
8th Grade
11/17/2010

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Term

cell

Definition
the basic unit of stucture and function in living things
Term

cell theory

Definition
a widely accepted explanation of the relationship between cells and living things
Term

compound microscope

Definition
a light micoscope that has more than one lens
Term
convex lens                  
Definition
a curved lens in which the center is thicker than the edgges
Term

magnification

Definition
the adility to make things look larger than they are
Term

microscope

Definition
an instrument that makes small objects look larger
Term

cell membrane

Definition
a cell structure that controls which substances can enter or leave the cell
Term

cell wall

Definition
a rigid layer of nonliving materila that surronds the cell of plants and some other organisms
Term

chloropalst

Definition
a structure in the the cells of plant and some other organisms thatcaptures energy from sunlight and uses it to produce food
Term

chromatian

Definition
material in cells that contains DNA and carries genetic information
Term

cytoplasm

Definition
the region between the cell membrane and the nucleus; in organisms without a nucleus, the region located inside the cell membrane
Term

endoplasmic reticulum

Definition
a cell stucture that
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