Michelle Yeung Bio 101 Cyrus MacFoy June 16‚2015 Diffusion and Osmosis Exercise I. Molecules are always in constant movement. Molecular motion is a form of energy‚ the kinetic energy of molecules. The Brownian movement is the movement of small particles caused by the bombardment of the particles by millions of water molecule. This movement will continue indefinitely as long as there is water. My prediction for this lab is the solution of the water is hypertonic meaning there is a higher concentration
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kind of cells must get food to eat? Give an example. Animal cell and Fungus cell and Bacteria 8e. What kind of cells do not have any internal membrane? Give an example. Bacteria. Use as many terms as you need. Diffusion active transport osmosis uphill spontaneous Not spontaneous pump passive transport downhill 9a. Going from 80% water to 60% water. 9b. Going from a high concentration to a low concentration. 9c. Going from a high to low gradient. 9d. Going from crowded
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Potato Osmosis and Diffusion Lab Report Emily Cocq Research Question: Will there be a difference in the experimented potato cores after being subjected to high concentrations of sugar? Introduction: Water can move through protein channels in cell membrane/cell walls. The water will move due to the water potential of the cells. If there is a greater concentration of solutes (chemicals) inside the cell than outside the cell and the chemicals can not move‚ then water will respond by moving
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Bio 8.23.10 Chapter 1 Intro: The study of Life Properties of Life 1. Precise organization (Order) 2. Ability to take in energy and use it. (Energy utilization) 3. Ability to respond to stimuli ( Response to the environment) 4. Capacity for growth and development 5. Ability to reproduce 6. Ability to regulate internal environment (Homeostasis) 7. Ability to evolve ( Evolutionary adaptation) 8. Living organisms are cell based‚ made of one or more cells 9. Life
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Bio Notes 9/5/2012 * Biology- Study of living things * Characteristics of living organisms * Consist of one or more cells * Unicellular- one cell able to carry out life ex. Bacteria * Multicellular- Many cells‚ specialized cells * Observations with microscopes lead to Cell Theory‚ Robert Hook * All cells come from preexisting cells * All cells are similar in chemical composition * Chemical reactions occur within
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GCSE Biology: Osmosis in a Potato Aim To investigate the effect of placing a piece of potato in a given strength of sugar solution. Prediction I predict that‚ as the solution becomes more concentrated the more the cell will shrink‚ as the water‚ of higher concentration inside the potato cells‚ flows down a concentration gradient into the solution‚ which has a lower concentration of water molecules. If we say that the percentage change when the potato is placed in the 1M solution is x%. I predict
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Bio Term Paper Biology term paper is surely a gigantic area to write a term paper on. So select the area of study first of all to write your biology term paper. You must be well aware of the fact that there are different branches of biology such as zoology‚ botany and microbiology. You can select your biology out of these branches. There is no suspicion that in biology course‚ writing biology term paper is the hardest part. Biology is a vast subject with different branches and you need to be too
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Sciences College of Science and Mathematics MSU-Iligan Institute of Technology Iligan City In Partial Fulfillment of the Requirements of the course General Ecology Laboratory (Bio 107.2) ALGEN MARI B. CASTAÑETO BS-Bio (Mar) – II Bio 107.2 (C34-2) ABSTRACT The Philippine archipelago is mainly surrounded by marine and/or coastal waters. Hence‚ Filipinos largely depend on the sea and oceans for livelihood. Our coastal and marine waters
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activities. • Lysosome: the recycling center. o Recycles waste and foreign bacteria. The cell membrane: lipid bilayer which envelops the cell. For Protection‚ Communication‚ and Selective Exchange Passive Transport o Does not use energy o Osmosis‚ diffusion‚ facilitated diffusion o Natural movement from high concentration to low
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Lab Report Purpose: Osmosis and diffusion through potato core in different concentration (viable) : The concentration of solution in a solution will affect the movement of water across potato cell membrane Material: Potato core Sucrose solution (0.2‚0.4‚0.6‚0.8‚1.0) Electronic Balane Test tube and rack Scalpel Plastic Weighing tray Cork Borers Method: Day 1 use you cork borers to bore 6 vertical hole on your potato. remove the potato cylinders from
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