Download Introduction to Cells Notes File

Cornell Notes
Topic: Intro to
Cells
Questions
Why are animal cells so
amazing?
Name: _________________________________________
Date:
Notes


What are the basic
characteristics of cells?

What are the two Cell
Types?

What are the
characteristics of a
Prokaryote cell?

What are the
characteristics of a
Eukaryote cell?

How big is an animal cell?

How did scientist discover
cells?

What is the Cell Theory?
Summary
Why are Animal Cells so Amazing?
 Cells can determine:
 How___________________ cattle will be.
 How meat tastes!
 Why animals get sick.
 CELLS CAN ______________________!!
Amazing characteristics of cells!
a. They are the smallest unit of a ________________ system.
b. They all hold the blueprints of how an animal is put together.
c.
They are vital to all life functions.
d.
They can ______________________!!
e.
They can change the physical form of an animal. Good______________ and bad.
There are basically two cell types
 Eukaryotic cells
 (____________________ bound)
Prokaryotic cells
(before __________________)
A Prokaryote Cell
 Single-celled _________________________
 Lacks internal structures
 Example: _____________________
A Eukaryote Cell
 Has internal membrane- bound structures called organelles. The largest organelle is the
________________, which contains the cell’s DNA.
 May be made of one or many cells.
 Makes up most of all living cells.
How big are animal cells?
 Cell sizes range from 200 micrometers…
 200 micrometers__________________________________
 200 micrometers__________________________________
 20 micrometers___________________________________
 20 micrometers___________________________________
 200 nanometers___________________________________
 To 20 nanometers_________________________________
How did scientists discover cells?
 Using______________________!!
 Instrument developed by 16th century Anton van Leeuwenhoek.
CELL Theory states:
 All organisms are composed of one or more cells.
 The cell is the basic unit of _________________ of all organisms.
 All cells come from pre-existing cells.
Cells Quiz
1.
Why are animal cells important?
2.
What are the basic characteristics of cells?
3.
What are the two Cell Types?
4.
What are the characteristics of a Prokaryote cell?
5.
What are the characteristics of a Eukaryote cell?
6.
How big is an animal cell?
7.
How did scientist discover cells?
8.
What is the Cell Theory?
Bill Nye – Cells
1. About how many cells are in a human body?
2. What happens when more cells are being produced than are dying?
3. There are two basic kinds of cells: what are they?
4. How is a room in a house similar to a cell?
5. Name some different types of cells that can occur in a refrigerator.
6. One celled can be alive: true or false (circle one)
7. What is deoxyribonucleic acid (DNA)?
8. What is an egg an example of?
9. What do seeds need in order to produce cells?
10. What makes red blood cells red?
11. What is the ratio of red blood cells to white blood cells in the average human?
12. What do white blood cells do?