© j beauchemin 2006. organelle= “little organ” found only inside eukaryotic cells all the...
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© J Beauchemin 2006
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Organelle= “little organ”
Found only inside eukaryotic cells
All the stuff in between the organelles is cytosol
Everything in a cell except the nucleus is cytoplasm (gel-like)
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Boundary of the cell Made of a phospholipid bilayer & proteins Controls what goes in/out of cell
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Control center of the cell
Contains DNA & a nucleolus
Surrounded by a double membrane
Nuclear Pores on surface for things to enter/exit
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Acts as skeleton and Framework of cell
Provides shape and structure
Helps move organelles around the cell
Made of microtubules & microfilaments
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A.k.a. “ER” Connected to
nuclear membrane Highway of the cell Rough ER: studded
with ribosomes; it makes proteins
Smooth ER: no ribosomes; it makes lipids/storage
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Site of protein synthesis
Found attached to rough ER or floating free in cytosol
Produced in a part of the nucleus called the nucleolus
That looks familiar…what is a That looks familiar…what is a polypeptidepolypeptide??
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Looks like a stack of plates/flat membranes
Modifies and packages proteins
Molecules transported to and from the Golgi by means of vesicles
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Garbage disposal of the cell
Contain digestive enzymes that break down wastes, destroys old parts
Which organelles do lysosomes work with?
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“Powerhouse of the cell”
Cellular respiration occurs here to release energy for the cell to use
Bound by a double membrane
Inner folds= cristae
Has its own strand of DNA
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Found only in plant cells
Contains the green pigment chlorophyll
Site of food (glucose) production/ photosynthesis
Bound by a double membrane
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Found in plant and bacterial cells
Rigid, protective barrier
Located outside of the cell membrane
Made of cellulose (polysaccharide)
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Large central vacuole usually in plant cells
Many smaller vacuoles (vesicles) in animal cells
Storage container for water, food, enzymes, wastes, pigments, etc.
What type of microscope may have been used to take this picture?
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Aids in cell division Usually found only in
animal cells Made of microtubules
Where else have we talked about microtubules?
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Which organelle is the control center of the cell?
Which organelle holds the cell together?
Which organelles are not found in animal cells?
Which organelle helps plant cells make food?
What does E.R. stand for?