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L i f e
B e g i n s
W i t h
C e l l s
If the
nucleus
were the si ze
of a penny,
the cell
would be the
size of a
football
field.
The Cell Theory
1. A l l l i v i n g t h i n g s
are made of cells.
2. C e l l s a r e t h e b a s i c
units of life.
3. C e l l s c o m e o n l y
from other cells.
The Basic Parts
nucleus
cytoplasm
cell membrane
s
Nucleus and DNA
Membrane Structure
C
Cell
Introduction
End
Cell Cycle
Mitosis
DNA is
duplicated
then
divided
into two
identical
sets.
Interphase
normal
cell
activity
Prophase
chromatin
condenses
i n to
chromosomes
nuclear
membrane
disappears
Metaphase
chromosomes
line up at
the cell
equator
Anaphase
chromosomes
move to
opposite
ends of
the cell
Telophase
chromosomes
disappear
nuclear
membrane
reforms
cell begins
to divide
End
Cell Cycle
Cellular
Respiration
Remember!
Glucose stores
the sun’s energy
in chemical form.
Remember!
Adenosine TriphosphateATP - is the molecule
most organisms can
actually use for energy.
Remember!
Respiration requires
oxygen to efficiently
change glucose
i n t o A T P.
End
Cellular
Respiration