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Cells overveiw
1. Name:_________________________ Date:____________
Living Environment Rabbi Goldberg
The Microscope and cell
I. The Cell Theory
a. There are three main statements that are true about the cell
i. Cell basic unit of function of living things
ii. Cell is the basic unit of structure for living things
iii. All cells come from preexisting cells
II. How did we come up with the cell theory?
Anton van
Leeuwenhoek
Robert Hooke
Robert Brown
a.
b. – discovered one cell organism using a 1 lens microscope bert
Hook
i. Used a two lens microscope to look
________________________________________________
ii. The empty cork cell led him to ________________________
iii. And name ____________________________ - CELL
c. Robert Brown
i. Discovered the __________________________________
III. The organelles
a. With the help of powerful microscopes Scientist discovered that
every cell where made up of many small structures each has a
special function
i. These structures are called ______________________.
b. Plasma Membrane
i. Is the outer membrane of the cell
2. ii. It controls what goes in and out of the cell
iii. Selective permeable ( allows in what t wants and keeps out
what it does not want)
c. Cytoplasm
i. Is the
___________________________________ that
keeps all the ____________________________
ii. Diffusion and many Biochemical processes
occur
1. Diffusion
a. _____________________________________
_____________________________________
_____________________________________
d. Nucleus
i. Is also called the _________________ of the cell
ii. It controls _______________________________
iii. And contains all __________________________
e. Nucleolus
i. Found inside the _________________________
ii. Is like a factory worker
iii. It makes _______________ which make ______________
f. Endoplasmic reticulum
i. Is like the NYC subway system
ii. A series of connecting channels associated with
1. ____________________
2. _____________________
3. ______________________
g. Ribosome
3. i. Is the place where _______________________ are
___________________.
ii. They are either free or ______________________________
h. Mitochondria
i. Is the “________________” of the cell
ii. This is where _________________ takes place
iii. And where ATP is made
i. Golgi Complex
i. A group of ________________________________ sacs
ii. They _______________, ____________, ______________
cellular products
j. Lysosome
i. “ digestive system’ of the cell
ii. When fused with food vacuoles helps with the
___________________________________________
k. Vacoule
i. A space in a cell surrounded by a membrane used for
_________________________________.
l. Centrioles
i. Most commonly found in _______________________ very
rarely in ________________________________.
ii. Used during cell division
m. Chloroplasts
i. Primarly found in _______________________________ and
_________________ cells
ii. Contains the pigmwnt
1. pigment- ________________________________
iii. Also is responsible for photosynthesis
n. Cell Wall
i. Found in __________________________
4. 1. _____________, _______________, &
_____________ plant cells
IV. The exceptions to the cell theory
a. The very
_____________________________________________________
_____________________________________________________
_____________________________________________________
b. Viruses
i. ________________________________________________
________________________________________________
________________________________________________
c. _____________________________________________________
_____________________________________________________
_____________________________________________________