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Cells:Basic Units of Life
N/A
6
Biology
7th Grade
10/20/2010

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Term
Cell
Definition
In Biology the smallest unit that can perform all life processes. Cells are covered by a membrane and have DNA and cytoplasm
Term
Cell membrane
Definition
protective layer that covers the cell surface and acts as a barrier the inside of the cell and it's enviorment
Term
organelles
Definition
structures that perform specific functions within the cell; in cells cytoplasm
Term
nucleus
Definition
in eukaryotic cells; membrane bound organelle that contains the cells DNA and that has a role in processes such as growth metabolism, and reproduction
Term
prokaryotes
Definition
singles cell organisms that do not have a nucleus or membrane bound organelles
Term
Eukaryotes
Definition
An organism made up of cells that have a nucleus enclosed by a membrane includes animals plant and fungi but not bacteria
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