Coursework.Info - Inspiration in an Instant

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Investigating Respiration in Yeast Aim To investigate the effect of different concentrations of glucose on respiration in Yeast. Introduction Yeast Yeast is simply a single-celled fungus, found on the surface of fruit, feeding on sugar. Yeast can multiply itself by a process called budding. A large number can be formed in a short time. Respiration Respiration is basically the breakdown of glucose to feed a cell, supplying it with energy. There are two types of respiration: aerobic and anaerobic respiration. Aerobic respiration requires oxygen to carry out, but anaerobic respiration does not need oxygen. Anaerobic respiration causes lactic acid, which contributes to cramp. The equation of aerobic respiration is: Glucose + Oxygen --> Carbon Dioxide + Water + Energy C6H12O6 6O2 6CO2 6H2O Experiment We can measure respiration with a simple experiment - which is the one I am doing. We measure the volume of Carbon Dioxide with different glucose concentrations. This gives us our results. Variables I will measure the rate of Carbon Dioxide produced. This is the dependent variable. I...

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