Download Cell Notes

Name ________________
Period ____
Unit 2: Cell and Microscope Notes
Cells
All living things are composed of _______________.
A cell is _____________________________________________________________________
___________________________________________________________________________.
An organism is _______________________________________________________________.
Organisms can be _________________________ or ______________________________.
_______________________ are made up of only one cell. They usually need to be seen using a
microscope.
_______________________ are made up of more than one cell. They have groups of cells that
work together.
Discovery of Cells
Cells were discovered in __________ by _____________________. He was looking at
_____________________________________________________________________________.
________________________________ saw the first living cells in ____________. He observed
pond scum, blood and was the first to see bacteria.
Cell Theory
Scientists later discovered a lot more about cells using more powerful microscopes. They
developed the Cell Theory.
The Cell Theory states:
♦ ___________________________________________________________________
♦ ___________________________________________________________________
♦ ___________________________________________________________________
___________ _____&
_ developed the cell theory in __________________.
Organization of Life
Cells Æ _______________ Æ ________________ Æ ________________ Æ Organisms
Types of Cells
Prokayotic:
♦ ________________________________________________________________
♦ ________________________________________________________________
♦ ________________________________________________________________
♦ ________________________________________________________________
Eukaryotic:
♦ ________________________________________________________________
♦ ________________________________________________________________
♦ ________________________________________________________________
♦ ________________________________________________________________
There are two types of Eukaryotic cells: ____________________ or ___________________.
Comparing Plant and Animal Cells
Animal
Both
Plant
Diffusion and Osmosis
Diffusion:
Osmosis:
♦ _______________________________________________________________
♦ _______________________________________________________________
Microscope Parts and Functions:
Eyepiece - _____________________________________________________________________
Arm - ________________________________________________________________________
Body Tube - ___________________________________________________________________
Coarse Adjustment Knob - ________________________________________________________
Fine Adjustment Knob - __________________________________________________________
Nosepiece - ____________________________________________________________________
Objective Lens - ________________________________________________________________
Stage - _______________________________________________________________________
Stage Clips - ___________________________________________________________________
Diaphragm - ___________________________________________________________________
Light Source - __________________________________________________________________
Base - ________________________________________________________________________
Determining Total Magnification
_______________ the magnification of the ____________________ by the magnification of
the _______________________________________.
Example:
Object Orientation
As you look through the eyepiece the image you see is ____________________________ and
_____________________________ from the specimen on the slide.
e
Slide
eyepiece
If you move the slide to the left, the object moves to the ______________ in the eyepiece.
If you move the slide to the right, the object moves to the ______________ in the eyepiece.
Field of View
Each mark is 1 mm or ____________ micrometers (μm)
1. Determine the field of view by counting the number of marks.
2. Use the field of view to determine the size of a specimen.
a. Count the number of cells in a row.
b. Divide the field of view in μm by the number of cells.
1.
2.
Field of View:
___________ mm
a. Number of cells = ___________
___________ μm
b. Size of 1 cell = ___________ μm