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Chapter 4-1 and 4-2
Quick's cell biology
12
Biology
10th Grade
09/02/2010

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Term
Cell
Definition
smallest unit that can carry out all of the processes of life
Term
Cell theory
Definition
all living organisms are composed of one or more cells, cells are the basic structure and function in an organism, cells come only from the reproduction of existing cells
Term
Plasma membrane
Definition
covers the cells surface and acts as a barrier only allowing certain substances to leave or enter the cell
Term
Cytoplasm
Definition
the part of the cell that includes the liquid
Term
Cytosol
Definition
the small particles that float in the cytoplasm (not the membrane bound organelles)
Term
Nucleus
Definition
a membrane-bound structure that contains the DNA of a cell
Term
Prokaryote
Definition
type of cells that do not have a nucleus or membrane-bound organelle, these cells have DNA in a concentrated area called a nucleoid
Term
Eukaryote
Definition
type of cells that have a nucleus and membrane-bound organelle
Term
Organelle
Definition
smaller structures found inside eukaryotic cells that perform specific functions
Term
Tissues
Definition
a group of similar cells that function together
Term
Organ
Definition
a group of tissues that perform a particular
Term
Organ system
Definition
a group organs that accomplish a certain task
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