EXERCISE 3 PHYSICO-CHEMICAL REACTIONS IN THE CELL ACTIVITY SHEET BROWNIAN MOVEMENT: 1. What is Brownian movement? - 2. Is there a difference in the speed of movement among the different sized particles of India ink? If so‚ explain the difference. - 3. Is there a difference in the speed of movement of the India ink particles in hot and cool slides? If so‚ explain. - DISPERSION SYSTEMS IN PROTOPLASM 4. DEFINE THE FF: a. Solute: The dissolve matter in a solution; The
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IGCSE Biology Notes Refined by KmQ Unit 1 : Characteristics of living things Biology is the study of living organisms. For something to be alive it needs to perform all seven functions of living things.MRS GREN Movement‚ Respiration‚ Sensitivity‚ Growth‚ Reproduction‚ Excretion‚ Nutrition. 1. Movement Most organisms are able to move their whole body even plants can shift their stem towards the sunlight and their roots move towards healthy soil. 2. Respiration IT is the breakdown of food
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FRQ #4 The endomembrane system is made up of different membranes that are suspended in the cytoplasm within a cell. These membranes divide the cell into functional and structural compartments‚ or organelles. The endomembrane system has three major components; the plasma membrane‚ Golgi apparatus‚ and vesicles. The plasma membrane surrounds the outside of the cell. It is made up of a double layer of phospholipids and controls the movement of various substances into and out of the cell‚ both passively
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Biology Laboratory Report MEASURING RATE OF WATER UPTAKE BY A PLANT SHOOT USING A POTOMETER Introduction All plants need salts minerals‚ water‚ CO2 and O2. To fulfill their requirements different plants use different ways. Lower plants use diffusion‚ however higher plants use vascular tissue that is located in the middle of the root and in the vascular bundles in the stem. The transpiration is the important process in the plant. The main reason is that transportation
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Digestive and Respiratory System Worksheet Name: Before answering the questions below‚ log in to ADAM and view the clinical animations for Peristalsis and Gas Exchange. Remember‚ you may use our text‚ our discussions‚ and the internet to write your answers‚ but be sure to write your answers in your own words and to use correct citations where appropriate! Cutting and Pasting your responses will result in a Zero for this assignment! 1. Trace the path of an oxygen molecule from the
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El latino famoso de la semana es Cameron Diaz. Ella tiene cuarto y unos anos. Diaz es de San Diego‚ California‚ pero sus familia no son. Cameron’s padre es un segundo generacion cubano americano‚ y sus madre es italiano‚ aleman‚ y el americano native. Diaz es famoso porque es una actriz. Ahora‚ Cameron Diaz vive en Los Angeles‚ California. Cameron Diaz was born on August 30‚ 1972. When she was only sixteen‚ Diaz began professionally modeling for major companies such as Coca-Cola and Calvin Klein
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LAST 1101 Professor Gordillo April 2‚ 2013 Jessica Johnston Frida Kahlo: A Biography Frida Kahlo was born in 1907‚ just south of Mexico City‚ in a town called Coyoacán. Her father‚ Guillermo Kahlo‚ was Jewish and born in Germany. When he immigrated to Mexico he married Frida’s mother‚ Matilde Calderón‚ a catholic mestizo. Frida identified herself with both her European ancestry and her indigenous heritage. Unlike many mestizo or mixed persons‚ who tried to hide their indigenous background
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Biomass Essay I think Biomass is beneficial to the Quinault village for the heating project. It will help out are heating sources by building this "wood heated" building . This project will also get rid of all the wood bundles in our woods that would help the environment by not burning the wood piles with like for‚ example pouring gasoline onto the wood bundles or (oil and etc.) and that would be putting more chemicals in the air as if there is enough going on in this earth. this inspires
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2 September 2014 Chapter 1 Review 1. Describe the characteristics of science. A. The characteristics of science are observations‚ search for regularities‚ process the information‚ and self-corrections. Science is based upon observations that incorporate our senses‚ or instruments that extend our senses‚ to interpret natural experiences. Science is a searh for regularities. These regularities may include observed phenomena or patterns in nature. After observations have been recorded about regularities
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History of DNA WebQuest 1. Friedrich (Fritz) Miescher http://www.dnai.org/timeline/index.html Find Miescher on the timeline and click on the bucket with the Red Cross to watch the animation. In 1869‚ he extracted a substance from white blood cells that he called nuclein. What do you think he was actually extracting? 2. Frederick Griffith http://biology.clc.uc.edu/courses/Bio104/dna.htm Frederick Griffith’s famous experiment was conducted in 1928. In his experiment‚
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