Unit 2 The Cell – Unit 7 Cellular Structure & Function: Topic 7.1 Cell Theory-class key
Name: _______Class key_______
Period: ________________________
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The Living Environment ’14-‘15
Mr. Murdoch
Unit 2 The Cell – Unit 7 Cellular Structure & Function: Topic 7.1 Cell Theory-class key
The Living Environment ’14-‘15
Mr. Murdoch
Topic 7.1 assignments
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Unit 2 The Cell – Unit 7 Cellular Structure & Function: Topic 7.1 Cell Theory-class key
Topic:
The Living Environment ’14-‘15
Mr. Murdoch
Why study cells?
Objective: Describe the reasoning behind studying cells.
 ____Cells____are the __smallest__living things, and are
__grouped__into larger __structures__that
____form____organisms.
 Cells  Tissues  Organs  Organisms
o __organisms__ are made of ____cells____.
o ____cells____do all the ____work____of life!
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Unit 2 The Cell – Unit 7 Cellular Structure & Function: Topic 7.1 Cell Theory-class key
The Living Environment ’14-‘15
Mr. Murdoch
The Cell Theory
Topic:
Objective: Describe the discoveries behind the cell theory.
 Robert Hooke was an English scientist who lived in the 17th
Century.
o ___Hooke___used a compound light microscope to
study ___cork___, the dead ____cells____of oak bark.
 Anton van _Leeuwenhoek_ (17th Century) used a microscope
to ____study____pond ____water____.
 The ____cell____ ____theory____is made up of
___three___main _components_:
1. All __organisms__are __composed__of one or more
____cells____.
2. The ____cell____is the basic ____unit____of
__organization__of organisms.
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Unit 2 The Cell – Unit 7 Cellular Structure & Function: Topic 7.1 Cell Theory-class key
The Living Environment ’14-‘15
Mr. Murdoch
3. All ____cells____come ____from____preexisting
____cells____.
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Unit 2 The Cell – Unit 7 Cellular Structure & Function: Topic 7.1 Cell Theory-class key
The Living Environment ’14-‘15
Mr. Murdoch
Tools of cellular study
Topic:
Objective: Describe the tools used in cellular studies.
 Compound ___light___ __microscopes__use a series of
___lenses___to __magnify__objects in steps.
o These microscopes can ___magnify___objects up to
____1,500____ times.
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Unit 2 The Cell – Unit 7 Cellular Structure & Function: Topic 7.1 Cell Theory-class key
The Living Environment ’14-‘15
Mr. Murdoch
Tools of cellular study
Topic:
Objective: Describe the tools used in cellular studies.
 Development of Electron Microscopes
o The ___electron___ __microscope__was invented in the
___1940’s___.
o This microscope uses a beam of __electrons__to
__magnify__structures up to __500,000__ times their
actual size.
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Unit 2 The Cell – Unit 7 Cellular Structure & Function: Topic 7.1 Cell Theory-class key
The Living Environment ’14-‘15
Mr. Murdoch
Types of Cells
Topic:
Objective: Describe the two types of living cells.
 2 ____types____ of cells
1. Prokaryote
o __bacteria__and __Archaea___cells.
o ____lack____ organelles.
2. Eukaryote
o ___protist___, ___fungi___, ___plant___, and
___animal___cells.
o ____have____ organelles.
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Unit 2 The Cell – Unit 7 Cellular Structure & Function: Topic 7.1 Cell Theory-class key
The Living Environment ’14-‘15
Mr. Murdoch
Roles of Living Cells
Topic:
Objective: Describe the functions of living cells.
 ____Cells____have 3 main ____roles____.
1. Make ___Energy___
o Need ___energy___for all __activities__.
o Need to ___clean___up ___waste___produced while
making energy.
2. Make __Proteins__
o __proteins__do all the ___work___in a cell, so we
need lots of them.
3. ____make____more ____cells____
o For ___growth___.
o To ___replace___damaged or diseased
____cells____.
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Unit 2 The Cell – Unit 7 Cellular Structure & Function: Topic 7.1 Cell Theory-class key
Notes page:
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The Living Environment ’14-‘15
Mr. Murdoch
Unit 2 The Cell – Unit 7 Cellular Structure & Function: Topic 7.1 Cell Theory-class key
Name: ________________
The Living Environment ’14-‘15
Mr. Murdoch
Period: ____________________
Carefully remove this sheet from your packet to hand in.
Work silently and alone to complete this graded exercise.
Check for Understanding
1. Describe the organization of organisms, from smallest to
largest size.
List and summarize the three main components of the Cell
Theory.
2. ________________________________________________
________________________________________________
3. ________________________________________________
________________________________________________
4. ________________________________________________
________________________________________________
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Unit 2 The Cell – Unit 7 Cellular Structure & Function: Topic 7.1 Cell Theory-class key
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The Living Environment ’14-‘15
Mr. Murdoch
Unit 2 The Cell – Unit 7 Cellular Structure & Function: Topic 7.1 Cell Theory-class key
Notes page:
Website upload 2014
The Living Environment ’14-‘15
Mr. Murdoch