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Similarities Between Fermentation And Cellular Respiration

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Fermentation and cellular respiration are alike in that they both begin with a series of reactions known as glycolysis, which breaks glucose molecules into smaller pyruvate molecules. They are also similar in that during both processes, ATP is produced for the cell to use. The different between these two processes is fermentation does not require oxygen while cellular respiration does. Fermentation and cellular respiration are also different because water molecules are not produced during fermentation but are produced during cellular respiration. All fermentation reactions occur in the cell's cytoplasm but during cellular respiration, only glycolysis occurs in the cytoplasm. Lastly, fermentation produces a net gain of 2 ATPs while cellular respiration produces a net gain of 32 ATPs. When your muscles can't get enough oxygen during a short burst of exercise, they start to make use of a pathway called lactic acid fermentation, which generates a small three-carbon compound called lactic acid or lactate as a by-product of glucose breakdown. Lactic acid is not useful to your muscle cells, but your liver turns it back into glucose later after exercise. …show more content…

The product lactic acid, which was supposed to arise from the same labile molecular complex, has been variously regarded either as another final product, or as an intermediate product destined possibly to be used in future reconstruction of the in-oxygen complex, or again as marking only a stage of incomplete combustion due to insufficient oxygen

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The experiment is made of yeast and yeast is a single-celled fungi. The yeast contains an enzyme called catalase. A catalase works as a catalyst in this reaction. Catalase is a natural enzyme found in the liver of animals. It splits hydrogen peroxide into oxygen and water.

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The sucrose fermentation was a negative for acid meaning it was a red and a negative for gas. The H2S production was a negative because remained a yellow color instead of turning black. For the motility, it was also a negative the movement only stayed in the center than spreading throughout. The indole from tryptophan was also a negative because no ring appeared on the top layer on the reagent.

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If we imagine that an individual has begun exercising, the oxygen uptake increases because there is a higher demand for energy. Oxygen is the ultimate source of energy that allows ATP to be generated. More ATP must be made in order for homeostasis to be maintained. After a prolonged period of exercise, lactic acid accumulation begins to occur in the tissues of the body because the energy for oxygen uptake can no longer be supplied after a certain period of time of exercise. When the individual ends exercising, it takes time for the oxygen uptake to return to its resting level because the lactic acid that had accumulated in the tissues must be broken down into CO2 and H2O.

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The stomata are the most critical piece to this process, as this is where CO2 enters and can be stored, and where water and O2 exit. Cellular respiration also known as oxidative metabolism is important to convert biochemical energy from nutrients in the cells of living organisms to useful energy known as adenosine triphosphate (ATP). Without cellular respiration living organisms would not be able to sustain life. This process is done by cells exchanging gases within its surroundings to create adenosine triphosphate commonly known as ADT, which is used by the cells as a source of energy. This process is done through numerous reactions; an example is metabolic pathway.

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The accumulation of waste products is believed to cause a noxious stimulation which results in the perception of pain at a delayed stage (Cheung 2, 17, 22). Lactate accumulation occurs when the demand for energy is high, in which glucose is broken down and oxidized to pyruvate. Pyruvate then produces lactate which accepts two Hydrogen ions in the reaction process to produce ATP (Adenosine Triphosphate). This allows for exercise to continue unless lactate is produced faster than the clearance rate. Resulting lactate can be oxidized to fuel the Krebs cycle or converted back to glucose through the Cori

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+6H_2 O+Energy In times of prolonged or vigorous activity there may be insufficient oxygen available in the tissues. In these cases, energy is produced via anaerobic respiration. This process uses glucose obtained from other organisms that is then converted into lactic acid.

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+ ATP Although plants and animals have different methods of obtaining glucose, the cell respiration process occurs in both types of organisms. Many external factors in the environment may affect the organism's’ rate of respiration such as the temperature of the surrounding,

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The Effect of Sugar Concentration on CO2 Production by Cellular Respiration in Yeast Introduction In this lab, our main focus was to find how sugar concentration affect yeast respiration rates. This was to simulate the process of cellular respiration. Cellular respiration is the process that cells use to transfer energy from the organic molecules in food to ATP (Adenosine Tri-Phosphate). Glucose, CO2, and yeast (used as a catalyst in this experiment) are a few of the many vital components that contribute to cellular respiration.

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During exercise, the quickest way to obtain energy (ATP) is through phosphocreatine reserves, but it does not last long enough compared to the others. The following metabolic process is anaerobic oxidation of carbohydrates. Blood glucose or glycogen are used to get glucose-6-phosphate and by glycolysis pyruvate is obtained and this is coverted to acetyl CoA for Krebs Cycle, to obtain ATP. In order to maintain a high level of glycogen storage and maintain it during exercise, diet must be high in carbohydrate.

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Saccharomyces cerevisiae can use both anaerobic respiration which is a type of respiration that occurs without using oxygen, or aerobic respiration which occurs by the use of oxygen. During anaerobic respiration, glucose is transformed in the products of ethanol and carbon dioxide. However, during aerobic respiration saccharomyces cerevisiae uses glucose and oxygen to produce carbon dioxide and water. Saccharomyces cerevisiae,commonly used in the dough of baked goods, goes through both aerobic and anaerobic respiration.

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Fermentation uses more glucose because the process of fermentation is much less efficient than cellular respiration in terms of energy production per molecule of glucose used. The open flask (control) and the closed

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Significant differences exist among the reactions of different organisms including the structures and properties

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There are several reactions occur when there is plenty of oxygen present. Then the energy released is used by the yeast for growth and activity. However, when the oxygen supply is limited, the yeast can only partially breakdown the sugar. Alcohol and carbon dioxide are produced in this process known as alcoholic fermentation. The fermentation occur when the carbon dioxide produced in these reactions.

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The pyruvate molecules that were created in glycolysis are then sometimes fermented into lactic acid. Lactic acid can be used to transform lactose into lactic acid, for example in the making of yoghurt. This process is also used in animal muscles when they require extra energy in their tissue in order to run faster than oxygen can be given. C6H12O6 (glucose) > 2CH3CHOHCOOHc*lactic acid) is the net equation for glucose to lactic acid.

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This inability to replicate performance in succeeding sprints (i.e., fatigue) during repeated-sprint exercise has been mainly due to the changes within the muscle itself. Da Silva et al (2010) believes the inability to maintain repeated-sprint performance has strong links to metabolites accumulation, such as increase in lactate, the accumulation of hydrogen ions , and the depletion of muscle phosphocreatine. By definition, the LT occurs at the highest exercise intensity where lactate production and removal are balanced (Menzies et al., 2010) The rise in blood lactate levels above resting levels as exercise intensity increases is an indication that some muscle fibres are not able to handle all the exercise load aerobically. High intensity exercise leads to decreased creatine phosphate (CP) levels and increased lactic acid levels in the muscles (Wadley et al., 1998).

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