LEARNING OBJECTIVES 4. I know that cells are the basic unit of all life and I can describe the...
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Transcript of LEARNING OBJECTIVES 4. I know that cells are the basic unit of all life and I can describe the...
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LEARNING OBJECTIVES4. I know that cells are the basic unit of all life and I can describe the functions that cells/life forms must carry out.
5. I know that single-celled organisms have parts to help them carry out all of life’s functions.
7. I know that plant and animal cells have parts in common and parts that are different in order to carry out life functions.
8. I can use a diagram or model to explain the difference between plant and animal cells.
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• Cells are the smallest unit of LIFE! They are the building blocks of LIVING things.
• No matter if an organism has ONE cell or many, they share the same basic parts.
CELLS
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Inside the cell, are structures (parts) called ORGANELLES (means “little organs”)
Each
organelle has a certain function (job) to do.
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***We are only learning about the basic organelles; there are others which you might hear about in the reading and activities but you will not be tested on those.
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Fill in the Table as we go
• Cell part is given,• Write in any functions• Note the pictures that go with each
part
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CYTOPLASMCELL PART JOB/FUNCTION Picture
CYTOPLASM
GEL- like material inside the cell. o Mostly watero The other
organelles “float” in cytoplasm
o “Cyto” means cello “-plasm” means
jelly
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CELL MEMBRANECELL PART JOB/FUNCTION Picture
CELL MEMBRA
NE
“GATEKEEPER”—controls what goes in and out of the cell.
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NUCLEUSCELL PART JOB/FUNCTION Picture
NUCLEUS
Directs all cell ACTIVITIESo Contains
DNA (instructions for cell)
o Largest organelle
o “boss” of other organelles
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MITOCHONDRIACELL PART JOB/FUNCTION Picture
MITOCHONDRIA
o Releases ENERGY in the cell; “POWERHOUSE”
o Performs cellular respiration
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CHLOROPLASTCELL PART JOB/FUNCTION Picture
CHLOROPLAST
o Found in
PLANT CELLS only!!!
o Converts SOLAR (SUN) ENERGY into cell energy.
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CELL WALLCELL PART JOB/FUNCTION Picture
CELL WALL
oFound in plants ONLY!
oOUTER SUPPORT structure; made of cellulose.
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VACUOLESCELL PART JOB/FUNCTION Picture
VACUOLES
o Stores
WATER, food, and waste products. Usually larger in PLANTS.
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• Cell Walls
• Chloroplasts
Clip
What are the two parts plant cells have that animal cells do not have?
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Cells on the light microscope
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Plant Cells on the light microscope
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Cells are Systems!
• Individual cells are SYSTEMS because they have PARTS that work together to do a certain JOB.
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Cells are Systems!
• What are some INPUTS?Food, water, oxygen, light (plant
cells)• What are some OUTPUTS? waste, CO2, water, chemical/thermal
energy
• Open or Closed? Why?• Open because MATTER (molecules)
can go IN/OUT of the cell membrane
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Cell Structures by Brainpop
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Types of Cells Clip http://
player.discoveryeducation.com/index.cfm?guidAssetId=E6390CC7-8BFC-4B48-94E2-C89F0A4638CA&blnFromSearch=1&productcode=US
(~6 min)