for the flies were created. After wearing the proper safety gear‚ including but not limited to gloves and a lab coat‚ the fly food source was made using roughly an equal amount of distilled water and fly food. These were mixed until it had a mashed potato-like consistency. It mustn’t be too liquid-like as it will kill the flies; and should be solid enough to not slide around the vial. After obtaining and labelling a new vial‚ the food mash was placed inside‚ filling about one inch of the vial. Any
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EVALUATION PAPER Advanced Composition Sunday morning started with a delicious treat. I decided to stop by the local Denny’s after dropping off my wife at work. The children and I were hungry and I did not feel like making breakfast. The restaurant turned out to be a great choice as it was not only clean and friendly‚ but the food was also delicious. Upon walking into the restaurant I noticed a very large aquarium in the waiting area. At first glance it was an amazing site. The vibrant
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situations. Introduction: I know prior to doing this experiment that iodine mixed with starch creates a dark color and that most objects‚ organic and inorganic‚ naturally experience isotonic reactions. Hypothesis: I think that the potato will absorb more starch than the sweet potato and they will both absorb relatively similar amounts of water. Procedure: Variables: Controlled- water and size of potatoes. Manipulated variables- potatoes growth based on contents of solution. Data: Data and Observations
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Chapter 1 By: Ciara Rafferty “You see I think everything’s terrible anyhow‚” she went on in a convinced way. “Everybody thinks so—the most advanced people. And I know. I’vebeen everywhere and seen everything and done everything.” Her eyes flashed around her in a defiant way‚ rather like Tom’s‚ and she laughed with thrilling scorn. “Sophisticated—God I’m sophisticated!” (21). This passage perfectly depicts the unhappiness that Daisy experiences from day to day. The life that she had
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In the wake of pushing potato center out from center barer‚ we needed to cut potato center into two equivalent amounts of. Thereafter‚ we quantified each center with a plastic ruler by millimeters‚ recording the length and the measurement of each. Furthermore‚ we needed to feel the potato centers and clarify how they felt before placing them into two unique sorts of an answer so we would have the capacity
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Investigating the Relationship between Cell Size and Rate of Diffusion Ban Madi 11 Dp Biology SL Research Question: How does the size of the cell affect its efficiency in exchanging substances through several ways‚ like diffusion? Aim: To plan and carry out an investigation to show the relationship between volume/Cm3‚ surface area‚ and diffusion using agar cubes measured in time/s; and to demonstrate‚ using diffusion‚ why the size of cells is limited‚ keeping the room temperature
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Diffusion‚ Osmosis and Active Transport Substances will move through the membrane by diffusion. This is the random spreading out of particles until they are even. For example‚ when you put your instant coffee in boiling water‚ the coffee particles spread out and fill the entire mug‚ this is diffusion. A second way that substances can move through the cell membrane is by osmosis. This is a special type of diffusion where water moves from a high to a low concentration through a ’partially permeable
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pass through the cell membrane while others cannot pass through. 3. What is diffusion and why does it occur? A: The movement of solutes in a solution from high to low concentrations. Diffusion occurs because particles of a substance will move to the less concentrated areas until equilibrium or homeostasis is reached. 4. Compare and contrast diffusion‚ osmosis‚ and facilitated diffusion.
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|Column B | |__E__ term used to describe a solution that has a lower |a. diffusion | |concentration of solutes compared to another solution |b. facilitated diffusion | | |c. osmosis | |__G__
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Potato Cell Cytoplasm Composition PURPOSE: To determine the concentration of salt in the cytoplasm of potato cells HYPOTHESIS: Increase in salt concentration results in a hypotonic solution where the mass of the potato increases due to the movement of water into the cell. On the other hand‚ decrease in salt concentration results in a hypertonic solution where the mass of the potato decreases due to the movement of water outside the cell. MATERIALS: Potato Forceps Stopwatch Scalpel Test
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