Lecture 01-homeostasis

Lecture 01-homeostasis - Positive feedback loops cause a...

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1 Lecture 1 - Homeostasis Outline I. Organization of the Body II. What Is Physiology? III. Body Plan and Body Compartments IV. Homeostasis V. Cell Structure and overview of protein synthesis Organization of the Human Body • Letters • Syllables • Words • Phrases • Sentences • Paragraphs Atoms Molecules Macroolecules Organelle System Tissue Cell Organ Organism C N H O Organization of the Human Body Types of Tissues NERVES MUSCLE EPITHELIUM CONNECTIVE
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2 Atoms Molecules Macroolecules Organelle System Tissue Cell Organ Organism C N H O Organization of the Human Body How do various systems of the Human Body work? A Simplified Body Plan Figure 1.4 Body Fluids and Compartments
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3 Body Fluids and Compartments Review Organization of the Body Definition of Physiology? Body Plan and Body Compartments Environmental change Sensor Reversal Effector Regulatory Center inhibits Room is cool (18 o C) Furnace thermostat set point is 22 o C Room is warm (24 o C) Furnace turns on inhibits
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4 Thermoregulation Positive Feedback Loop
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Unformatted text preview: Positive feedback loops cause a rapid change in a variable. Nucleotide DNA, RNA Nucleic Acids Amino Acids Polypeptides Proteins Glycerol and Fatty Acids Fat Lipids Monosaccharides Polysaccharides Carbohydrates Subunits Example Category Biomolecules Structure of a Typical Cell 5 Plasma Membrane Cell-to-Cell Adhesions – Cell adhesion molecules – Specialized junctions • Tight junctions • Desmosomes • Gap junctions Tight Junctions Desmosomes 6 Gap Junctions Protein Synthesis – The role of the genetic code – Transcription – Translation – Destination of proteins – Post-translational processing and packaging of proteins – Regulation of protein synthesis Review • Organization of the Body • Definition of Physiology • Organization in the Body and Body Compartments • Homeostasis • Cell Structure and overview of protein synthesis...
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This note was uploaded on 04/04/2011 for the course PSL 201 taught by Professor Wojtowicz during the Winter '08 term at University of Toronto.

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Lecture 01-homeostasis - Positive feedback loops cause a...

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