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Page 44
Essays in Molecules & Cells category
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Essay Title
Rating
Multiplication of yeast cells in aerobic and anaerobic conditions
My aim in this investigation is to investigate how the concentration of amylase affects its rate of reaction with starch.
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My aim is to discover how temperature effects the production of oxygen from yeast and hydrogen peroxide. I will mix yeast with hydrogen peroxide and use an upturned measuring cylinder to measure how much oxygen is produced.
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My aim is to find out how the factor, concentration, has an effect on the rate of enzyme reaction (enzyme: Amylase) at a body temperature of 37°C.
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My aim is to investigate the breakdown of starch molecules (polysaccharides) into maltose molecules (disaccharides) catalysed by the digestive enzyme amylase. I am trying to find out if the rate of reaction is affected by pH.
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My objectives are to keep track of the financial details of my football team using a database.
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My presentation on the material wood.
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My task is to describe how the cell structure of different cells is related to their function. I am going to carry out my task by researching different cells such as animal, plant, nerve cells etc.
Nature of Auxins.
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Nerve Cells and Bone Cells.
Nerve Impulses.
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Nervous System
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Nervous system is composed of three major parts: the sensory input portion, the central nervous system) or integrated portion), and the motor output portion
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Neurons: Their Structure and Function
Nobody had ever seen microbes or even thought they might exist because microbial effects could be explained in other ways.
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Nutrition
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Observe how temperature affects the metabolism of microorganisms by visibly noting the volume changes of identical food mixes containing baking yeast at different temperatures.
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Observe the effect of osmosis on the mass and length of potato rods placed in different concentrations of sucrose solution and to determine the point of equilibrium where, the net flow of water in and out of the potato rod is equal.
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Observing fine detail of biological material investigated with a Microscope.
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Observing the Rate of Reaction of the enzyme Catalase upon changing Concentrations
Onion cell and cheek cell
Onion cell and cheek cell IntroductionTo stain the cells so the parts of the cell such as the nucleus are marked out and then it can be viewed
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OPTIMUM TEMPERATURE BETWEEN CALF TRYPSIN AND FUGAL TRYPSIN
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Organelles in Eukaryotic Cells
Osmosis
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