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Phsyiology SDSU U-1

Unit 1

QuestionAnswer
Tight Cell Membrane Junction Fibronectin is used to join cells.
Desmosome Cell Membrane Junction Must have Calcium, used of microtubels and plaques. Used for stretch like skin.
Gap Cell Membrane Junction Tubes of canals between cells.
Tight Cell Membrane Junction Fibronectin is used to join cells.
Desmosome Cell Membrane Junction Must have Calcium, used of microtubels and plaques. Used for stretch like skin.
Gap Cell Membrane Junction Tubes of canals between cells.
More Cholesterol Less flexible
Integral Proteins structural, trans- and non- transmembrane
Peripheral Proteins Globular, internal or cytoplasmic side
Locations of Carbohydrates (Cells) Always external to the cell, linked to proteins.
More Cholesterol Less flexible
Monosaccharides Simplest, 5-6 carbon skeleton ex. glucose, galactose, fructose
Disaccharides made up of two monosaccharides moles ex. lactose, sucrose, maltose
Polysaccharides many monosaccharides ex. starch, gylcogen, cellulose
Cells Basic unit of life
Cell Theory all organisms are made up of cells and their products
cell theory new cells come from only pre-existing cells
cell theory all cells are similar in chemical make-up and metabolism
cell theory organismal activities and survival are dependent on interdependent and team work of groups of cells
Cell membrane function protections, support, communication
cell membrane structure lipids, proteins, and carbohydrates molecules
phospholipids a lipid bilayer with exterior polar and interior non-polar ends
balls polar, hydrophilic globular ends
tails non-polars, hydrophobic two tails
breathing rate 12/min
Polar molecules cannot diffuse through the membrane
non-polar molecules easily diffuse through the membrane
normal body temp 37 C, 98.6 F
body fluid 60% bwt
breathing rate 12/min
blood volume 5-6 L
oxygen consumption 250 ml/min
plasma glucose level 100 mg/%
co2 production 200 ml/min
Standard Human 30 years old and weighs 70kg
heart rate 70-80/min
Ivan Pavolov 04 Role of neural regulation in the physiology of digestion
blood volume 5-6 L
Alexis Carrel Blood transfusion; organ transplants; structure of blood vessels
plasma glucose level 100 mg/%
August Krogh Motor regulations of blood flow in capilaries
Standard Human 30 years old and weighs 70kg
Banting/Macleod Discovery of Insulin and its involvement in diabetes
Ivan Pavolov 04 Role of neural regulation in the physiology of digestion
Alexis Carrel Blood transfusion; organ transplants; structure of blood vessels
August Krogh Motor regulations of blood flow in capilaries
Banting/Macleod Discovery of Insulin and its involvement in diabetes
Einthoven mechanisms for electrocardiograms
Eccles/Hodgkin/Huxley Ionic mechanisms for excitation and ingibition in neurons
Earl Sutherland Identifying cAMP as second chemical messenger in signal transduction mediated by many hormones
Cormack/Hounsfield Development of CAT scans
Gilman/Rodbell Role of G-proteins in signal transduction in cells
Furchgott/Murad/Ignarro Nitric Oxide as a signling molecule in the cardiovasular system
Hartwell/Nurse/Hunt Mechanisms of cell growth, division, and death
Lauterbur/Mansfield Development of MRI
Internal Environment Film of fluid around the cell - also called extracellular fluid or intercellular fluid.
Extercellular Fluid Interstitial Fluid and Plasma
Internal Environment accounts for about ___ of body weight 60%
Cytoplasm Structure: fluid in which the organelles are suspended Function: Matrix in which chemical reactions occur
Nucleus Structure: Oval organelle, separated from the cytoplasm by a two fold and contains DNA Function: Control center that directs all cellular activity
Ribosomes Structure: Bipartile granules in the cytoplasm Function: synthesis of proteins
Rough ER Structure: Parallel or stacked membranes, continuous with the plasma and nuclear membranes with attached ribosomes Function: synthesis proteins
Smooth ER Without ribosomes Function: steriod synthesis
Golgi apparaus Structure: Stacked membranes and vessels Function: packaging of glycoproteins
Mitochondria Structure: Rodlike, kidney bean Function: ATP production
Lysosomes Structure: dense, membrane limited organelles Function: Breakdown of worn-out cellular components
Secreoty vesilces Structure: Membrane bound sacs Function:Storage proteins
Vesicles Structure: Membrane bound sacs Functions: storage of cellular material
Fat Droplets Structure: membrane bound sacs Functions: storage of lipids
Microtubules Structure: Long hollow structures Function: structural members involved in cell division
Microfilaments Structure: long solid fibers Function: Structural members, cell movement
Centnoles Structure: Two short rods or granules Function: cell division
Created by: mcroudabush