Mr. Reeves Page 1 Cultural Diffusion in the Ancient World Throughout history‚ cultures have mixed all over the world‚ changing beliefs‚ creating new ones‚ and changing the way people look at the world along with their existence. This can be proven from anything from music to food‚ but is especially prevalent in world religion and the way that every culture sees their god‚ or gods‚ and how they think‚ worship‚ and even obey‚ in similar manners. Even though Hebrew conceptions differed from the rest
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cells does not change‚ means there is no net loss or gain of water. Introduction This study shares the results of an effort to understand diffusion and osmosis in general. It focused more into osmosis in plants cell‚ and how to indirectly measure osmolarity in potato tuber tissue. Osmosis is the diffusion specifically of water across a membrane. Diffusion occurs when certain substance‚ such as an ion‚ is more concentrated on one side of membrane. If the membrane allows this ion through‚ the ions
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Abstract For this lab the rate of photosynthesis was analyzed upon plant leaves. A sample of a light exposed and a not-light exposed leave were used to clearly identify the role of sunlight in the process of producing and storing energy. Aim We are trying to find proof‚ to demonstrate the necessity of light and chlorophyll in the process of photosynthesis. Background Photosynthesis occurs in organisms which contain chlorophyll. It’s a process that involves the chloroplasts to synthesize glucose
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Purpose : The experiment this week had two different purposes. The first is to teach us about freezing points. This lab was designed to show us the freezing point of a pure solvent‚ in comparison to a solvent in a solution with a non-volatile solute. The second goal of the experiment is to teach students about osmosis. In the experiment‚ we got to observe osmosis as well as understand dialysis. Procecure : Part 1. Colligative Properties 1. Create a water bath by filling ½
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Factors Affecting Diffusion How does temperature affect diffusion? What is Diffusion? Definition 1: Diffusion is a process where by molecules move from an area of high concentration area to an area of low concentration. Definition 2: Diffusion is an evidence for moving particles. The spreading out of a gas is called diffusion and it takes place in haphazard and random way. Gases diffuse because the particles collide with other particles and bounce of in all directions. For example when
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iodine used in the lab represent in the cell? 2. As the size of the cell increases‚ which increases faster: cell surface area or cell volume? 3. As cell size increases‚ what happens to the surface area to volume ratio? Give examples from the lab. 4. According to your drawings‚ in which cell (potato) did the iodine diffuse all the way to the center of the cube? Discuss the differences between the cells 5. Based on your understanding of cell size and the rate (speed) of diffusion‚explain why there
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Trisomy 5 P +- Student Biology Dr. C. Belin May 8‚ 2014 Trisomy 5p +- When my son was born‚ May 17‚ 1993‚ I did not know nor did I understand what was going on inside of him and why was he born with two heart murmurs; one in the ASD and one in the VSD‚ lungs were filled with fluid‚ under birth weight (5 lbs 12 oz)‚ his ears were lower on one side than the other‚ and he sounded like a cat when he cried. At Arnold Palmer Hospital in Orlando‚ FL.‚ they EVAC him and there was a
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cell wall surrounding them. When the take up water by osmosis they start to swell‚ but the cell wall stops them from bursting. When they are put in dilute solutions‚ plant cells turn out to be “turgid” (swollen and hard). When the pressure inside the cell increases; No more water can’t enter the cell because the internal pressure of the cell is really high. “When plant cells are placed in concentrated sugar solutions they lose water by osmosis and they become “flaccid”; this is the exact opposite
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Biology Honors Final Exam Review Study Guide A. Intro Unit * Characteristics of life (DR.CHARGE) * DNA * Directs protein synthesis * Reproduce * Divides in mitosis (asexual reproduction) * Cells * Homeostasis * The process by which cells maintain constant internal condition (water‚ temperature) * Adaptation (Evolution) * Respond to stimulus * Growth (Development) * Energy * Heterotroph: an organism that cannot synthesize its own food
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Purpose: The purpose of this lab is to test the effects of osmosis on eggs in hypertonic solutions and hypotonic solutions. Hypothesis: If the corn syrup is a hypertonic solution‚ then the egg’s size will shrink. If the water is a hypotonic solution‚ then the egg will swell. Materials: Styrofoam cups (2 per group) Styrofoam cups to weigh down egg (2) Balance Paper towels Vinegar (enough to cover egg) Distilled water Corn syrup Fresh eggs (2 per group) Procedure: Day
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