1. Cells : The Basic Unit of Life Txtbk: Ch 7, RB Topic 1
SMP - LE 2016 notes

2. Bellwork -10/12
Complete the Cell theory timeline & worksheet by reading the textbook AND tape into your science journal with today’s date
Make note of the assignments. All are due on at the end of class on Monday except for Castle!
Vocab Terms – see quizlet on my webpage
Cell worksheet packet
Reviewbook Topic 1 pgs 5-6 #11-19
Coloring Class activity – need colored pencils
Castle – due Tuesday
Quiz Tuesday
SMP - LE 2016 notes

3. Learning targets for the Cell…
I CAN
Explain the cell theory
List the characteristics of prokaryotic and eukaryotic cells
Identify & define the function of the organelles
Create a Venn diagram to illustrate the similarities and differences between an animal & plant cell
Use an analogy to explain how the organelles function
Compare organelles in unicellular organisms to the body systems in multicellular organisms.
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4. Question?
What makes a cell, a cell?
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5. Basic building blocks of life
Living organisms share the same basic chemical building blocks…
Simple sugars
Amino acids
Fatty acids
Nucleotides
Carbohydrates
Proteins
Lipids
Nucleic acids
eg. fats, steroids…
DNA, RNA
These basic building blocks are organized into the fundamental unit of all life…the cell!
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6. Organ Systems (Digestive System) Specialized cells (Muscle cell)
Organization
Section 7- 4
Cells  Tissues organs organ systems organism
A Look at Multicellular Organization
Organ Systems (Digestive System)
Tissue (Smooth muscle Tissue)
Specialized cells (Muscle cell)
Organ (Stomach)
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7. SMP - LE 2016 notes

8. Cell Theory
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9. The Cell Theory
All living things are made of cells (basic unit of structure)
All cells survive using the 8 life processes (basic unit of function)
All cells come from pre-existing cells (can reproduce)
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10. Exceptions to the Cell Theory
The first cell(s)
mitochondria/chloroplasts (contain own DNA)
VIRUSES
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11. Types of Cells Amoeba Sisters: Prokaryotes vs. Eukaryotes
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12. Types of Cells
1) Prokaryotic Cells (Prokaryotes)- no NUCLEUS or membrane-bound structures
ex. Domain Bacteria & Domain Archae: BACTERIA
2) Eukaryotic Cells (Eukaryotes) - has NUCLEUS and membrane- bound structures
ex. Domain Eukarya (animals, plants, protists, fungi)
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13. Similarities between prokaryotes & eukaryotes
have a cell membrane & cytoplasm
contain DNA
similar metabolic activities (chemical reactions)
contain ribosomes
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14. Cell Organelle – Structure & Function
CLICK HERE FOR “CELL SONG” by Mr. W
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15. Organelles - “little organs of the cell”
The following organelles are in BOTH plant and animal cells (Eukaryotes )
VIDEO:
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16. Cell Membrane: The Video Clip
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17. Cell Membrane: (Doorway of the Cell) Functions: Selectively–permeable
Regulates what goes in and out of cell
Helps cells communicate using receptor proteins
Cytoplasm:
Function:
Site of chemical reactions (metabolic activities)
Contained by cell membrane
OVER 80% water
The cell membrane does NOT protect the cell from harmful substances!! Toxins and viruses are able to enter a cell across the membrane.
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18. Nucleus
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19. Contains DNA (chromatin) “Control center” of cell
Nucleus
Function:
Contains DNA (chromatin)
“Control center” of cell
controls & coordinates cell metabolism & cell division
Surrounded by nuclear membrane
Nucleolus:
Center of nucleus
Site of ribosome synthesis
LABEL ME
nucleolus
Nuclear membrane
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20. Ribosomes: The Video Clip
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21. Site of protein synthesis “Little dots”
Ribosomes (the protein makers)
Function:
Site of protein synthesis
“Little dots”
Endoplasmic Reticulum (ER) (the “highway: of the cell”)
Assembly of cell parts and transport materials within the cell
“Smooth” has no ribosomes
“Rough” has ribosomes on surface
SMP - LE 2016 notes

22. Proteins are packaged and send cell secretions
Golgi Bodies (The “Post Office” of the cell)
Function:
Proteins are packaged and send cell secretions
Secretions are substances made in a cell, but are transported out of the cell for uses in other parts of the body.
Ex. pancreas cells secrete insulin
SMP - LE 2016 notes

23. Site of cellular respiration Releasing energy (ATP) from food
Mitochondria
Function:
Site of cellular respiration
Releasing energy (ATP) from food
glucose (sugar)  ATP (usable energy)
“Powerhouse” of the cell
more work = more mitochondria (muscle cells = lots; skin cells = less)
SMP - LE 2016 notes

24. Vacuole (storage tanks)
Function:
storage containers for food, water
or waste
animal cells  many, small ones
plant cells  large water vacuole
WHY? Need to store water and starch
Crucial in maintaining homeostasis in unicellular organisms
Contractile vacuole: pumps out excess water (so the organism doesn’t burst)
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25. Differences between Plant and Animal Cells
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26. Ode to a Plant Cell: Cell Wall and Vacuole
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27. ONLY FOUND IN PLANTS Cell Wall Function:
provides protection and structural support for plant cells
made of cellulose (a complex carbohydrate)
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28. Chloroplast
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29. Chloroplast Function: Site of photosynthesis
Uses sun’s energy and water to make food (glucose) giving off oxygen as a waste
Contain the light-trapping pigment chlorophyll (this is why plants are green)
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30. ONLY FOUND IN ANIMAL CELLS
CENTRIOLES
Function:
used during cell division to help separate the chromosomes
cylindrical structure in the cytoplasm located near the nucleus
Lysosomes (clean up crew)
Contain digestive enzymes to break down worn out organelles, food particles or cells
SMP - LE 2016 notes

31. Let’s compare Animal and Plant cells
Animal Cell
Plant Cell
Cell Wall Ribosomes Golgi bodies 1 large vacuole
round shape many Small Vacuoles Mitochondria Cytoplasm
Chloroplasts Nucleus Endoplasmic reticulum
Centrioles rectangular shape Lysosomes Cell membrane
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32. Animal Cell Nucleus Cell membrane Rough ER Smooth ER cytoplasm
Golgi body
mitochondria
lysosome
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33. Plant Cell Cell wall Cell Membrane Chloroplast vacuole Mitochondria
Nucleus
Golgi Body
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34. Let’s compare Animal and Plant cells
Animal Cell
Plant Cell
Cell Membrane, Cytoplasm,
Nucleus, Mitochondria, Ribosomes, ER, Golgi
Lysosomes
Small Vacuoles
Centrioles
Round shape
Cell Wall
Chloroplasts
Large Vacuole
Rectangular shape
SMP - LE 2016 notes

35. Cell Review Quizlet: Cell Organelle Review for Quiz
Review Games: Cell Organelles   
Review Games: Cell Organelles II 
Review Games: Animal Cell  
Review Games: Plant Cell 
SMP - LE 2016 notes

36. Let’s compare unicellular to multicellular organisms!
Unicellular Multicellular (Body System)
Nucleus Nervous system; endocrine system
nervous system
(regulation)
endocrine system
(regulation)
SMP - LE 2016 notes

37. Let’s compare unicellular to multicellular organisms!
Unicellular Multicellular (Body System)
Cell Membrane Skin; Respiratory; Excretory
respiratory system
(gas exchange)
Excretory system
(excretion)
SMP - LE 2016 notes

38. Let’s compare unicellular to multicellular organisms!
Unicellular Multicellular (Body System)
ER/Golgi Bodies Circulatory system
circulatory system
(transport)
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39. Let’s compare unicellular to multicellular organisms!
Unicellular Multicellular (BodySystem)
Food vacuoles/Lysosome Digestive system
digestive system
(nutrition)
SMP - LE 2016 notes

40. Let’s compare unicellular to multicellular organisms!
Unicellular Multicellular (Body System)
Cell wall/Cytoskeleton Skeletal system
skeletal system
(structure & support)
SMP - LE 2016 notes

41. Let’s compare unicellular to multicellular organisms!
Unicellular Multicellular (Body System)
Nucleus Nervous system; endocrine system
Cell Membrane Skin; Respiratory; Excretory
ER/Golgi Bodies Circulatory system
Food vacuoles/Lysosome Digestive system
Cell wall/Cytoskeleton Skeletal system
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42. Diversity of Cellular Life
Unicellular vs. Multicellular Organisms
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43. Unicellular Organisms
Multicellular Organisms
Single celled organisms
They grow, reproduce, respond to environment, and maintain homeostasis
Colonial Organisms:
“Live” together, but have no specialization
Examples:
A) Prokaryotes: Bacteria
B) Eukaryotes: Paramecium, Ameba, Euglena, & Yeast
Made of many cells that work together
Cells do not live on their own
Cells specialize to perform a particular function
Cells of same type work together
Ex. Red blood cells, nerve cells, muscle cells, pancreatic cells, etc….
SMP - LE 2016 notes

44. Closer look at cell specialization
Red blood cells (RBC) are designed to carry oxygen
Nerve cells are designed to carry impulses
Muscle cells are designed to promote movement
Let’s watch a VIDEO: (2:01)
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45. Levels of Organization
Muscle cell
Smooth
muscle
tissue
Stomach
Digestive
system
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46. THE END
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