The Chemistry of Life:  Intro to Biology

I.  Biology:  the study of the unity and diversity of life.

A.  unity:

B.  diversity:

C.  What is life?

1. 

2. 

3.

a.

b.

4.

D.  The basic unit of life:  the cell.

1.  single cellular or multicellular

2.  types of cells

a.  prokaryotic cells (bacteria)

 

b.  eukaryotic cells (more complicated organisms)

3.  cell membranes define the boundaries of the cell

a.

b.

c.

d.

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