Download 7.3 Structures and Organelles

7.3 Structures and Organelles
Division of Labor
Cells have a ______________ of labor and contain special ________________ that
work together to carry out life _________________.
_____________ Structure
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___________________ cells are highly _________________ structures
Surrounded by a __________________ and contain __________________-bound
organelles that perform _______________ functions
The organelles are _______________ in the cytoplasm by the _________________
– a network of protein fibers
Role: ______________ support and to help move _________________
– microtubules (long _____________ tubes) – act as _____________ for organelle
_________________…also help in ________ division
– ______________________ (tiny threads) – enable cells to _________, muscle
contraction
________________ fluid is known as ___________ and is mostly ___________
Organelles Involved in ____________ Production
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Much of the _______ is devoted to making ______________
______________ are made of ____________________and have unique
_______________________ (size, ____________, acidity)
Since _______________ carry out critical functions, they __________ to be made
__________________
Nucleus
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The
__________ stores the __________
DNA contains _____________________ for making _______________
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ROLE: _________ major demands of the ______________
 DNA must be ___________________
 _____________________ must be available
___________________ by double _________________ called the nuclear
___________________
Nuclear _________________ has __________ called ______________ pores that
are used for _______________________
Most _______________ contain a small __________________ area called a
nucleolus (site where __________________ are assembled from ______________
and RNA)
Ribosomes
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Ribosomes are __________ organelles that ________ __________ acids together
to make _______________
Can be ___________ or attached to _______
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ROLE: _______________________ proteins
Endoplasmic Reticulum (ER)
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The endoplasmic reticulum (ER) is an _______________________ network of thin
folded __________________
ROLE: modifies ____________________ and cellular __________________
– Rough ER
 Covered with _________________
 Makes the bulk of ______________ and modifies them for ______________
Smooth ER
 Makes _________________
 Breakdown ___________________
Golgi Apparatus
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ROLE: ________________, packaging, and _______________ organelle of the cell
System of _____________________ stacks (like __________________)
Works with _______ in modifying _____________________
Vesicles
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_________________ – small membrane-______________ sacs that divide
______________ in the ________________ and transport materials within the ____
Mitochondria
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ROLE: ____________ energy to the __________
Processes your __________ energy into ____________ energy your cells can use
_________ shaped and has ________ membranes
– ______________ – barrier from cytosol
– Inner – ________________ is folded to increase ______________ area (cristae)
Have their own ________________ and __________
Cells that _______________ more energy _____________ more
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Vacuoles
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Fluid-___________ organelles
ROLE: ___________ water, __________, inorganic ions, ______________, and
wastes
_____________ cell vacuoles are ________
In ______________ they contain one very ____________ vacuole (up to ______%
of the cell)
Lysosomes
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Small ___________________ organelle
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ROLE: Contains collective ______________ that break down __________, carbs,
______________, DNA and _____________, bacteria, _____________, and old cell
parts
Common in ____________, fungi, protists…not usually in _______________
Centrosome and Centrioles
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Centrosome ROLE: produces ________________________
In ______________ cells it contains two small _________________ called centrioles
________________ – short microtubules that help with cell _______________
Centrioles can also form _________ and flagella
Cell Wall
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Lies _________________ of cell membrane
ROLE: ______________, protection, and _______________
Found in algae, _____________ and bacteria
Made of __________________ in plants and _______________
Chloroplasts
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____________________ reactions (_____________ energy  food ____________)
Two ________________ system and contain ________________ and DNA
Contain membrane stacks – __________________
Contain ___________________ (green)
Cell Organelles Chart: Use the information above to fill in the chart.
Cell
Organelle
Organelle Function (Role)
Cytoskeleton
Ribosomes
Rough:
Smooth:
Organelle Image
Golgi
Apparatus
Vesicles
Stores water, food, inorganic ion, enzymes, and waste
Lysosomes
Cell Wall