sample is dark and smaller. Result : 1) RBC’S when placed in distant water solution with a lower concentration level hypotonic the cell will swell and burst . 2)RBC’S when placed in a Nacl solution with the same concentration level isotonic the cell will remain the same no change in shape or size . 3)RBC’S when placed in Nacl solution with higher concentration level hypertonic the cell will shrink and
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Bio112 Lecture Quiz- 10/9/2010 Answer Key 1. The scientific study of life is called: A. biology B. ecology C. anatomy D. biochemistry E. limnology 2. Human beings are _______________ because they are composed of many cell types. A. unicellular B. acellular C. asymmetrical D. autotrophic E. multicellular 3. A/an _______ is composed of a group of similar cells that perform a particular function. A. organ B. system C. organism D. tissue E. population 4. Choose the CORRECT order (1-5) of increasing
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Throughout time many athletic players drink sport drinks like gatorade or powerade but the question is when should we drink sport drinks or water. Your body needs water to maintain performance. Water is composed of two hydrogen and one oxygen atom. For your body to maintain athletic performance it must have oxygen in the muscles (which water contains). When exercising we burn carbohydrates. When we lose these carbohydrates they need to be replaced. There are many alternatives to replace carbohydrates
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A hypotonic solution would have a high water potential and a low solute potential. An isotonic solution would have equal solute and water potentials. Water
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in different carbohydrate solutions then there will be a percent change in mass. The carrots have large vacuoles that hold water‚ this allows the mass to increase when the hypertonic solution is .2 M and 0 M‚ around .4 M the mass stays near the same because it is an isotonic solution‚ lastly the mass decreased when the hypotonic solution is .6 M and above. The experiment was developed with 6 plastic cups containing varying
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compared to no iodine solution and just water. This is due to the molecular collisions speeding up the experiment in the time period given because of the Soule molecules found within the given volume. This experiment can also refer to hypo‚ hyper and isotonic due to the two solutions being separated by the dialysis tubing (which acts as a semipermeable membrane) and diffusing from
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Aim: 1) To determine the effects of different salt concentration on the percentage of weight change in potato cubes 2) To determine the isotonic solution concentration for the potato Hypothesis: 1) If the concentration of the salt solution is higher than the concentration in the potato cubes‚ the percentage of weight change in potato cubes will be higher (positive). If the concentration of the salt solution is the same as the concentration in the cell‚ there will be no net movement of water through
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Question: investigate the water potential of potato tissue? Introduction All cells require essential materials to ensure their survival. Chemical‚ physical‚ and biological processes are used to move these materials inside of cells. Similar processes move waste materials outside of cells. These processes can be passive‚ occurring as a result of basic physical laws and requiring no outside energy from the cell or they can be active‚ requiring energy expenditure. Since all molecules possess kinetic
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added to one side of a container with a selectively permeable membrane‚ which way will the water move? From the left to the right. 10. What happens to a patient’s red blood cells when the following solutions are given: a. Hypotonic solution: Water moves into cells and they expand.
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vital for the diffusion of water and maintaining homeostasis. Homeostasis is the ability to maintain equilibrium and keep the organism alive. For example‚ if a cell is placed in a hypotonic solution there is more water inside the cell that outside which will cause water to diffuse out in attempt to reach equilibrium. Hypertonic solutions are when there is more water outside
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