The abstract below was written by Melanie Shadish. It came so close (along with its support documents) to what I wanted that I have added nothing from abstracts by other students. Yes there is some editing that needs to be done‚ but this one person understood the exercise and communicated that understanding very well. Osmosis and Water Potential in Potato Tissue Melanie Shadish‚ Rob Harris‚ Patricia Tellekamp Water appears to cross the differentially permeable membrane of potato cells by
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substances may occur from higher to lower concentrations (down the concentration gradient) or from the opposite direction (up or against the gradient). Solute concentrations vary. A solution may be hypertonic‚ a higher concentration of solutes‚ hypotonic (a lower concentration of solutes)‚ or isotonic (an equal concentration of solutes) compared to another region. The movement of substances may be passive or active. If movement is with the concentration or gradient‚ it is passive. If movement is
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Review for Bio 103 Lab Midterm Read the lab manual and study your worksheets. Vocabulary: Metric system‚ percent error‚ systematic error‚ random error‚ accuracy‚ precision Cylinder‚ beaker‚ pippette‚ balance‚ meniscus Field of view‚ inversion‚ total magnification‚ depth of field‚ par focal Microscope parts: eye piece‚ body tube‚ arm‚ nosepiece‚ objectives‚ stage clips‚ mechanical stage‚ diaphragm‚ condenser‚ fine and course adjustments‚ light stage‚ base Protein‚ peptide bond‚ simple sugar
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Module 08 Case Study: Urinary System and Electrolyte/Acid-Base/pH Balance Each question is worth 1 point‚ unless otherwise noted. I Got To Micturate: Part I—"Mini Case Studies" Questions Case 1: Frank Johnson 1. How does the urinary system relate to sexual function in males? How does the prostate relate to the bladder infections in males? The reproductive system in the male is closely intertwined with the urinary system‚ both functionally and anatomically. The male reproductive system is so
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Carb Cycling - First Steps Carb cycling is used to adjust your carbohydrate intake during a period of time. You can use it to lose fat or maintaining physical performance. Protein intake is usually similar every day but fat and carbohydrate intake vary based on your goals. Common Cycles Common carb cycles periods are based on three main time periods Daily Weekly Monthly And three main carb intake periods Low Moderate High Calorie intake and calorie deficit are the two important pieces in a
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Properties of Water Water is essential for life as we know it on earth. It is used by plants and animals for basic biological processes which would be impossible without the use of water. The origin of all life can be traced back to the water in the Earth’s precambrien seas. Water is also the universal solvent. It reacts with more elements and compounds than any other substance known to man. Water is a polar molecule made up of on atom of hydrogen and two atoms of oxygen. It is attracted
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Potato Osmosis Introduction: A shipwrecked sailor is stranded on a small desert island with no fresh water to drink. They know they could last without food for up to a month‚ but if they didn’t have water to drink they will be dead within a week. Hoping to postpone the inevitable‚ their thirst drives them to drink the salty seawater. They are dead in two days. Why do you think drinking seawater killed the sailor faster than not drinking any water at all? Today we explore the cause of the sailor’s
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Osmosis in Potato Cells Interpretation My results show what I predicted would happen. My prediction was that as the concentration of sucrose increased the amount of water moving in or out of the potato would change. A low concentration of sucrose solution would make the potato increase in length and mass (become turgid). A high concentration of sucrose solution would make the potato shrink (plasmolysed) We can see this occurred‚ as at 0.1mol of sucrose solution the potato’s size increased by an
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therefore‚ if a cell is placed in a hypertonic solution water will move from the cell into the solution until the cell shrinks(1). Further water loss causes can cause the cells protoplasm to peel away from the cell wall leaving a gap between the cell wall and the cell membrane‚ a process called plasmolysis(1) However if the cell is placed in a hypotonic solution‚ water will move from the solution into the cell and cause the cell to burst (1). A cell in an isotonic solution neither swells nor shrinks
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PhysioEx Lab Unit 1 Print Options This box will be automatically hidden when printing. ← Back to Set Page Alphabetize terms Flip terms and definitions 2hr OGTT level aboe 200mg/dl: confirms diabetes dx 2hr. OGTT level b/w 140-200mg/dl: impaired glucose tolerance absolute refractory period: period when cell membrane is totally insensitive to additional stimuli‚ regardless of the stimulus force applied. ACTH: hormone released by the anterior pituitary. stimulated by a hypothalamic hormone
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