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Agenda• Lab Results -fill in our booklets• Go over the quiz from Thursday• Go over osmosis worksheets• Review Review Review
Review
Lets make sure we know our stuff for tomorrow!!!!
2-3
Ionic Bonds
2-4
Covalent Bonds
In covalent reactions, atoms share electrons, resulting in covalent bonds.
Water
Fig. 2.19
Fig. 2.20
Fig. 2.21
3-13
Mitochondrion structure
Proteins
Channel Protein
Carrier Protein
Cell Recognition Protein
Receptor Protein
Enzymatic Protein
Passive Transport• Does not use chemical energy• No ATP is involved in this transport
Types of Passive Transport:• Diffusion • Osmosis• Facilitated transport
Active transport• This is how we move molecules from a low
concentration to a higher concentration.• To do this ATP is needed.
There are 3 types of active transport:• Carrier active transport• Endocytosis• Exocytosis
4-25
Exocytosis
4-26
Endocytosis• A vesicle formed around the substance.• Phagocytosis – large particles• Pinocytosis – small particles• Receptor-mediated endocytosis – specific
particles
4-27
Phagocytosis
4-28
Pinocytosis
4-29
Receptor-mediated endocytosis
Osmosis and Tonicity
4-31
Osmosis demonstration
4-32