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BIOL 2170 Chapter Eight and Nine Notes

by: chelsea1023

BIOL 2170 Chapter Eight and Nine Notes BIOL 2170

Marketplace > University of Toledo > Biology > BIOL 2170 > BIOL 2170 Chapter Eight and Nine Notes
GPA 3.6
Fundamentals of Life Science: Biomolecules, cells, and Inheritence
Dr. Deborah Chadee

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About this Document

All of chapter eight and nine summarized notes
Fundamentals of Life Science: Biomolecules, cells, and Inheritence
Dr. Deborah Chadee
Class Notes
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This 3 page Class Notes was uploaded by chelsea1023 on Tuesday September 29, 2015. The Class Notes belongs to BIOL 2170 at University of Toledo taught by Dr. Deborah Chadee in Summer 2015. Since its upload, it has received 16 views. For similar materials see Fundamentals of Life Science: Biomolecules, cells, and Inheritence in Biology at University of Toledo.


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Date Created: 09/29/15
Chapter Eight Phtosvnthesis Photosynthesis building carbs from sunlight and C02 H20 is oxidized 02 comes from C02 Takes place in chloroplast Calvin Cycle 0 Uses C02 to create carbs Chlorophyll uses light absorption to transfer energy to a nearby chlorophyll There are two photosystems P51 and P52 P52 comes first 2 scheme named for its zshape Electron transport can be cyclic Reactive oxygen species antioxidants xanthophylls Photorespiration o Oxygenation Rubisco adds oxygen to RuBP 0 C02 loss C02 leaves 60 of light is unusable for photosynthesis not very efficient Chapter Nine Cell Communication Communication requires 0 Ligand signaling molecule 0 Bacterial cell 0 Receptor Also Essential 0 Signaling cell o Signaling molecule 0 Receptorcell 0 Receptor molecule Signaling cell releases signals receptors of responding cell binds the signaling molecule Receptor Activation ECFgt Signal Transduction cytoplasmgt Response cytoplasmgt Termination cytoplasm Types of Signaling o Endocrine signal moves through circulatory system 0 Paracrine Binds to signal from another cell 0 Autocrine binds to its own signal 0 Juxtacrine cells must be touching Ligand signaling molecule Ligandbinding site part of receptor where ligand binds There are cell surface receptors and intracellular receptors Receptors can be turned on and off Three types of cell surface receptors 0 G protein coupled receptors 0 Receptor kinases o Ligandgated ion channels Adrenaline signals can be amplified Cell signaling and cancer 0 Increased receptors 0 Altered signaling molecule 0 Ras mutations Integration of Signaling Pathways 0 Effects could be 0 Simple Complex 0 Dependent on cell type 0 Integrated


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