beetroot a) Decide what you think will be the effect of alcohol on beetroot cell surface membranes and how this will affect their permeability. Write down your idea as a hypothesis that you can test‚ and support your idea with biological knowledge. Hypothesis “The greater the concentration of the alcohol the more red pigments (betalains) move into the solution.” Biological knowledge: The exposure of the beetroot cell membrane to alcohol makes it more permeable. If there would be no membrane there
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Eukaryotic Cells Worksheet Provide a list describing at least three differences between prokaryotic and eukaryotic cells: 1. Number of cells – prokaryotic cells is single celled while eukaryotic cells can be single or multi celled. 2. The size of the cells – prokaryotic cells are really extremely tiny while eukaryotic cells are just extremely tiny. 3. The DNA structure – prokaryotic cells are a single circular chromosome attached to the cell wall while eukaryotic cells are linear
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Title L6 – Soil Permeability – Constant Head Test Introduction Permeability is measured in term of water flow through the soil in a given time. The soil permeability is a very important factor to study the behavior of soil in its natural condition with respect to water flow. The size of pore space and interconnectivity of the spaces help determine permeability‚ so shape and arrangement of grains play a role. Often the term hydraulic conductivity is used when discussing groundwater properties
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Membrane Permeability Objectives: 1. Define solvent‚ solute‚ solution‚ selectively permeable‚ diffusion‚ osmosis‚ concentration gradient‚ equilibrium‚ turgid‚ plasmolyzed‚ plasmolysis‚ turgor pressure‚ tonicity‚ hypertonic‚ isotonic‚ hypotonic; 2. Describe the effects of hypertonic‚ isotonic‚ and hypotonic solutions on Elodea leaf cells and onion scale leafs. Introduction: Membrane permeability is a quality of a cell’s plasma membrane that allows substances to pass in and out of the cell‚ so that
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this investigation I will be measuring the effects of temperature on the membrane permeability of beetroot. I will be measuring the amount of anthocyanin that will diffuse out of the beetroot. The way in which I will measure the anthocyanin is to check the light absorbency of the solution using a colorimeter. The higher the reading on colorimeter the more anthocyanin present in the solution To find out the permeability of the beetroot membrane I will firstly cut out cylinders of beetroot using a cork
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Lab: The Cell Cycle and Cancer Worksheet 1. In which phase of mitosis do each of the following occur: a. Centromeres split and chromosomes move toward opposite sides of the cell b. Chromatin coils to form visible chromosomes c. The nuclear membrane disappears d. Sister chromatids line up in the center of the cell 2. In which phases of mitosis are sister chromatids visible‚ and attached to each other at the centromere? Table 1: Record your data for the number of cells in each stage
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THE CELL CYCLE WORKSHEET Name: ___________________________________ Matching: match the term to the description |A. Prophase |B. Interphase |C. Telophase |D. Metaphase |E. Anaphase | _____ 1. The sister chromatids are moving apart. _____ 2. The nucleolus begins to fade from view. _____ 3. A new nuclear membrane is forming around the chromosomes. _____ 4. The cytoplasm of the cell is
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Virtual Lab: The Cell Cycle and Cancer Worksheet 1. In which phase of mitosis do each of the following occur: a. Centromeres split and chromosomes move toward opposite sides of the cell- Anaphase b. Chromatin coils to form visible chromosomes - Prophase c. The nuclear membrane disappears- Prophase d. Sister chromatids line up in the center of the cell- Metaphase 2. In which phases of mitosis are sister chromatids visible‚ and attached to each other at the centromere? Metaphase
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Unit 2: Supply and Demand Study Guide and Review Questions Rachel Bracker‚ Scott Doyle‚ Lyra Hall and Christine Wong Winter 2010 Period 3 Terms Background and Straightforward concepts: 1. Competition: rivalry in supplying or acquiring an economic service or good 2. Free Market: a market where the price is arranged by the mutual consent of sellers and buyers‚ without government or trader manipulation 3. Equilibrium: when supply and demand are balanced at a price
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) has on Membrane permeability of Beetroot cells. Hypothesis: I predict that as detergent concentration increases‚ the solution will become less clear‚ plus mass increases. The increases in mass will indicate that the water potential of the Beetroot cell is lower than that of the surrounding sucrose solution. The Beetroot discs will become flaccid and decrease in mass if the water potential of the surrounding solution is lower than the water potential inside the beetroot cell. I predict that Osmosis
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