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Transcript
Cells: Organelles, Membranes and Communication Test Review Guide Cell Organelles Know what each of the organelles covered in your class and book does and why the cell needs it - why would it have more than average number of them? What would happen if you got rid of them? Be able to recognize and explain where and how each of the organelles formed (endosymbiosis or invagination of the membrane) an any evidence that supports the theory Know the rules behind surface area to volume and how they affect cell size Know the difference between what you would find in a Eukaryotic and Prokaryotic cell ... and a Plant and Animal cell Understand each of the different types of cell junctions and where they would be found (and why). Know the difference between prokaryotic cell walls, DNA and ribosomes Cell Membranes and Transport Know the structure of a cell membrane - what it looks like, where the proteins are, what regions are hydrophillic/hydrophobic From a given diagram be able to recognize what types of cell transport (passive, facilitative or active) are being illustrated Know what environments cells prefer and what can happen to them if put into a different tonicity Understand the differences in hypertonic, hypotonic and isotonic - where the free energy is higher and where the molecules are moving. Be able to describe the transport process and explain how the organization of cell membranes functions in the movement of specific molecules across membranes Be able to explain the significance of each type of transport to a specific cell (know examples for each and "why" the cell would use them) Cell Communication Understand the basic forms of cell communication and how they work Know the basics about how each receptor works Understand what a signal transduction pathway is, why they are used and how they work Math Be able to calculate water potential Be able to calculate surface are and volume