brane using the beet root model system by observing the effects of solvents on the beet root. The beet root was placed in seven solvents to see if the beetroot would leak any of its color to see if the membrane was damaged and by
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Membranes What is the affect of temperature on beetroot membranes? Hypothesis: It is hypothesized that as the temperature increases‚ the deeper red the beetroot water will be. At higher temperatures the proteins in the beetroot plasma membrane will denature‚ leaving holes in the membrane and allowing the red pigment in the cell sap to seep out into the water around it. Variables: Dependent-The dependent variable is the absorbency of the beetroot water after being soak at either 50‚60‚70‚ or 80
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OUT OF COOKED BEETROOT? PLAN Hypothesis Temperature has an effect on the leaking of the colour from beetroot. This means that as the temperature is altered there will be a change in the rate of colour leakage. Scientific Background Beetroot is a very familiar vegetable and is commonly known as beet. It is famous in most recipe books that advice that its outer skin is not to be removed to avoid getting red dye in the cooking water. If we look at the internal structure of beetroot‚ it will be
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Beetroot Practical 2.8 An investigation to find out whether the raise of temperature will increase the permeability of the cell membrane: The question being answered from doing this experiment is ‘How do different temperatures affect the permeability of the plasma membrane of beetroot?’ Beetroot contains red pigments called betalains‚ located within the cell vacuole. Normally the pigments cannot pass through membranes but they leak out when the beetroot is cooked or placed in alcohol. The aim
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After reading Ethanol Madness in The Economics of Public Issues (Miller‚ Benjamin‚ & North)‚ most of America is not benefiting from the production of ethanol. The only ones benefiting from ethanol requirements are ethanol producers‚ farmers‚ Brazilian farmers and politicians. Congress and the United Sates government are both benefiting from the ethanol requirements and the import tariff on ethanol. In the chapter I learned that ethanol is not as renewable as it seems. It is an alternative to biofuel
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Ethanol‚ a Fuel? Ethanol fuel is a type of alcohol found in alcoholic beverages that is often made from common agricultural products. It is either mass-produced by fermentation of sugars or from cellulose. Wheat or corn kernels are ground in a hammer-mill to expose the starch‚ the ground grain is then mixed with water‚ heated briefly and enzymes are added to convert the starch to sugar using a chemical reaction called hydrolysis. Yeast is added to ferment the sugars to ethanol and finally the
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Ethanol fuel is ethanol (ethyl alcohol). Ethanol‚ also called ethyl alcohol‚ pure alcohol‚ grain alcohol‚ or drinking alcohol‚ is a volatile‚ flammable‚ colorless liquid. A psychoactive drug and one of the oldestrecreational drugs known‚ ethyl alcohol produces a state known as alcohol intoxication when consumed. Best known as the type of alcohol found in alcoholic beverages‚ it is also used in thermometers‚ as a solvent‚ and as a fuel. In common usage‚ it is often referred to simply as alcohol or spirits
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org/AJB ISSN 1684–5315 © 2008 Academic Journals Full Length Research Paper Ethanol production potential of local yeast strains isolated from ripe banana peels A. A. Brooks Department of Microbiology‚ University of Calabar‚ P.M.B. 1115‚ Calabar‚ Nigeria. E-mail: brooks.akan@yahoo.com. Tel: 08037956762. Accepted 16 May‚ 2008 The ability of different yeast strains isolated from ripe banana peels to produce ethanol was investigated. Of the 8 isolates screened for their fermentation ability
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UTILIZATION OF BANANA PEEL WASTE TO PRODUCE ETHANOL I Introduction Due to increasing demand for energy‚ renewable energy sources particularly waste products like banana peel waste can be utilized to produce ethanol‚ as the vitality of ethanol are well known in science world‚ besides the methods of producing it is incomplex and it can give big impact to the world. II Body A Ethanol is widely recognized these days as a very promising alternative source of energy (Low & Isserman
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Ethanol Production Ethanol is the type of alcohol found in alcoholic drinks such as wine and beer. Its chemical formula is: C2H5OH. Glucose from plant material is converted into ethanol and carbon dioxide by fermentation. The enzymes found in yeast (single-celled fungi) are the natural catalysts that can make this process happen. Here is the word equation: Sugar → Ethanol + Carbon Dioxide
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