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HomeClass Notes1,200,000CA670,000

BIOL273 Lecture : CHAPTER 16 CHAPTER 16

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School
University of Waterloo
Department
Biology
Course
BIOL273
Professor
Katherine Wood

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Document Summary

Ex. amino acids, glucose, lipids, and nitrogenous wastes and sodium ions, calcium ions, potassium ions, chlorine ions, protons, and hoc3. Plasma and interstitial fluid same composition: except plasma proteins in plasma and not interstitial fluid. Albumins most prevalent protein in plasma 60% Albumins and 9 other proteins make up the plasma. Make up more than 90% of plasma proteins. Liver makes most plasma proteins secretes them into blood. Immunoglobulins (antibodies) synthesized and secreted by specialized blood cells rather than the liver. Plasma proteins makes the osmotic pressure of the blood higher than the interstitial fluid: pulls water from interstitial fluid into capillaries. Plasma proteins functions: blood clotting, defence against foreign invaders, carriers for steroid hormones, cholesterol, drugs, and certain ions (ex. ion fe2+, some act as hormones or ec enzymes. All blood cells come from a single precursor cell type pluripotent hematopoietic stem cell: found in bone marrow soft tissue that fills hollow center of bones.

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Related Questions

Plasma proteins do not ordinarily enter the glomerular filtrate.In the presence of pathology that makes the glomerulus leaky,plasma proteins cna be filtered with serious consequences for renalfunctioin, and also for other function of the body.

Consider an individual who develops pathology that results in aleaky glomerulus.

1. Predict the changes (Increase, Decrease, No Change) that willbe present in the following paramaters as a consequence of thispathology.

A. Plasma Protein Concentration

B. Plasma Colloid Osmotic Pressure

C. Plasma Volume

D. Interstitial Fluid Volume

The extracellular solutions of your body include the plasma ( extracellular solution surrounding the blood cells) and the interstitial fluid (extracellular solution surrounding the tissue cells). Edema is tissue swelling that occurs when a high level of fluid accumulates in the tissues. Although there are many causes of edema, one way that edema can occur is due increased protein concentration in the interstitial fluid of the tissues during inflammation or thyroid disease. Why would this situation result in edema?

State whether the following proteins are being translated onribosomes attached to the ER, and explain your answer. A. A proteinthat resides in an endosome.

B. A protein that will be secreted into the extracellularspace.

C. A protein linked to the plasma membrane by a GPI anchor.