Biology Coursework Respiration In Yeast

Biology Coursework Respiration In Yeast-73
At which stage of respiration does Methylene blue accept hydrogen from?

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This can be justified by the positive correlations in the graphs of both sugars.

As yeast uses an extra enzyme maltase to break the anzerobic bond, this further justifies and supports my hypothesis.

All the aldoses are formed from glyceraldehydes and all the ketones from dihydroxyacetone.

As the glycosidic bond needs to be hydrolysed in maltose to form two monomers of glucose, and additionally two enzymes are needed to break down maltose, is the reason why I think that the rate of CO2 produced by the respiration of yeast will be much slower with the maltose sugar disaccharide than with glucose sugar monosaccharide.

Although realistically, I do realise how limited time was, and despite the time constraints, I think the experiment was good enough.

How to cite this page Choose cite format: Does temperature have an effect on yeast respiration?When the sugars have been broken down into anaetobic molecules i. They could wear gloves and use a spatula to take out the yeast from its container.Other than a switch from aerobic to anaerobic respiration which is not possible because O2 was present all the time, the only thing that i can think of is that yeast takes time to accommodate or something? One tube was placed resliration a warm water bath at 42 degrees Celsius and yeasy other was placed in a cold water bath at room temperature.If the amount of carbon dioxide is directly related to temperature, then varying degrees of temperature will result in different rates of respiration in yeast.Also, time could have been extended to get a wider ranger of results.The CO2 produced by the respiration of the yeast will be collected at the top of the measuring cylinder, as the CO2 will displace some of the water in the measuring tube.Metadata uti logistics case study Juice using mono and water and research task making wine.We use cookies to give you the best experience possible.We’ll occasionally send you account related and promo emails.Similarly cold temperatures and hot temperatures will not have the same effect.However, care will be needed when dealing with the equipment, such as the conical flask. You can see this result as the red circled one in my results table.


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