Download 3.2 Cell Organelles 3.2 Cell Organelles

3.2 Cell Organelles
LEQ:
• How does the endomembrane allow eukaryotic cells to
perform specialized chemical reactions?
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Reading 3.2, 12.4 (skip evolution of sex)
Notecards Tuesday!
Test Wednesday
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Activator: retrieval
– Three possible sentences about any organelle
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Key terms – organelle, endomembrane system,
3.2 Cell Organelles
Unlike passive transport, active transport requires:
• A) concentration gradients B) diffusion C) energy D)
vesicles
Water moves into a cell when the solution surrounding the
cell is:
A) Hypertonic B) hypotonic C) isotonic D) concentrated
Cells use active transport proteins to:
A) Obtain molecules they need B) break down molecules
C) Engulf large particles D) detect the charge of molecules
3.2 Cell Organelles
The endomembrane system is involved in chemical
reactions and the movement of products through the cell
3.2 Cell Organelles
Several organelles participate in the endomembrane
system.
• Many processes occur in the endoplasmic reticulum.
• There are two types of endoplasmic reticulum.
– rough endoplasmic
reticulum
chemically modifies
proteins
3.2 Cell Organelles
Several organelles participate in the endomembrane
system.
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There are two types of endoplasmic reticulum.
– rough endoplasmic
reticulum
– smooth endoplasmic
reticulum
produces lipids
3.2 Cell Organelles
Several organelles are part of the endomembrane
system:
• Vesicles transit between ER, other organelles, cell
membrane
3.2 Cell Organelles
3.2 Cell Organelles
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The Golgi apparatus processes and packages
biomolecules for transit to other membrane bound
organelles.
Lysosomes contain enzymes that digest cellular
structures & biomolecules
3.2 Cell Organelles
Other organelles have various functions.
• Vacuoles are fluid-filled sacs that hold chemicals.
– all plants, protists, fungi, some animals
3.2 Cell Organelles
Find someone that can tell you about:
• Something that modifies proteins
• Something that transports proteins
• Something that modifies lipids
• Something a lipid is used for
• Something the Golgi does
• Something that moves organelles and vesicles