Transport Across Plasma Membranes (Diffusion and Osmosis) The cells inner pool is called: Intracellular fluid.
In a multicellular organism, the fluid outside the cell is extracellular fluid. Movement between fluid compartments are governed in part by gradients, differences in the concentration of materials in one part compared to those in
another. Two Kinds of Transport: 1. Passive (Diffusion): materials move from regions of higher concentration to regions of lower concentration, without
energy expenditure by the cell. 2. Active: movement of substances against concentration gradients (from low to high), requiring the expenditure of energy by the cell.
Passive Transport and the Movement of Water (Osmosis) Water moves from a region of higher water concentration to a region of lower water concentration.
Solution (Solute and Solvent) Solute: a substance that has been dissolved in a solvent. Solvent: a substance capable of dissolving other molecules.
Solutions can be: Isotonic: two solutions having the same concentration of solutes. Cells placed in isotonic solutions maintain their
shapes. Hypotonic: having a lower concentration of solutes than another solution.
Cells swell in hypotonic solutions. Hypertonic: having a higher concentration of solutes than another
solution. Cells shrink in hypertonic solutions. True-false questions 1. A cell placed in an isotonic solution will
swell. 2. A cell placed in hypertonic solution will swell. 3. A cell placed in hypotonic solution will swell. Answers
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CRPO has not established a program to formally recognize and confer specialty designations, and the new College is unlikely to do so in the immediate future. However, Members will be permitted to use terms, titles and designations conferred by third...
Chapter 9: The Geography of Population. Women in Medan, Indonesia. What does this photograph tell you? The population is composed of different categories of gender, age, race, ethnicity and other factors of social difference.
Complex Regional Pain Syndrome Case 53 yo male w/ complaints of severe LLE pain Pain has been present for "a few years", but the severity has increased significantly over the previous 8 months Described as sharp and burning, with areas...
Testing Psychic Abilities Using statistics ... Statistical Analysis We can test null & alternative hypotheses: Null: Chance alone can explain results Alternative: At least some participants can guess at better than chance Suppose an experiment has n sessions, k hits...
This is the Student's Home School's Institution ID. Just copy Last 6 digits of Instituton ID into each record for each student. Copy and Paste the date into each record for each student. Copy and Paste Jan into each record...
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