Cellular Respiration and Fermentation: Experimenting With CO2 and Redox Reactions Julius Engel; Section 8 Abstract In this experiment‚ the subjects of study were fermentation‚ mitochondrial respiration‚ and redox reactions. In the first experiment‚ yeast was grown in various carbohydrate solutions at various temperatures. In the second experiment‚ succinate was added to various samples of a mitchondrial suspension‚ DPIP‚ and a buffer. Then after two blanks were used‚ the samples
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Steps to Study Aerobic Cellular Respiration The mitochondrion made ATP How does the mitochondrion make ATP? Glycolysis breaks down a glucose molecule Pyruvate is created via Glycolysis The acetyl CoA is produced from Pyruvate Citric acid comes from acetyl CoA and Oxaloacetate Citric acid was the starting molecule for the Krebs cycle The NADH and the FADH2 were generated by the Krebs cycle Oxidative Phosphorylation involves electron transport chain (ETC) and Chemiosmosis
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rate of cellular respiration will be affected if we change the food source from glucose to three different experimental variables (fructose‚ sucrose‚ lactose). Cellular Respiration is a process that generates ATP and it involves the complete breakdown of glucose to carbon dioxide and water. Carbohydrates‚ fats‚ and proteins can all be used as fuels in cellular respiration‚ but glucose is most commonly used as an example to examine the reactions and pathways involved. Cellular Respiration can be divided
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Cellular respiration: one of the most significant processes known to life today. Cellular respiration is indeed a lengthy process‚ especially just to make ATP (energy)‚ and it all starts with a glucose. The first process to cellular respiration is glycolysis‚ which can be literally translated to the breaking of glucose. To note‚ glycolysis takes place in the cytoplasm of the cell. There are two parts to glycolysis: the “investment” phase and the “harvest” phase. With the aid of two ATP‚ the first
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Abstract The experiment aims to observe if simpler substrates makes the rate of cellular respiration faster. Using yeast‚ smith fermentation tubes and different substrates namely‚ starch‚ lactose‚ sucrose‚ glucose and fructose‚ which are from different kinds of carbohydrates‚ ranging from the simplest sugars glucose and fructose to the polysaccharide starch and water as the control‚ the hypothesis was tested. With the span of thirty minutes with five-minute intervals‚ the height of carbon dioxide
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Cellular respiration a process in which sugar and oxygen are used to produce adenosine triphosphate (ATP)‚ water‚ and carbon dioxide. The chemical equation for this reaction is C6H12O6 + 6O2 → 6CO2 + 6H2O + Energy (ATP). Cellular respiration occurs in 4 steps: Glycolysis‚ the preparatory reaction‚ the Krebs Cycle‚ and the oxidative phosphorylation. Glycolysis occurs in the cytoplasm of the cell‚ in this process glucose is broken into two 3 Carbon molecules called pyruvates. The preparatory reaction
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with making sure you use full sentences in your responses. Introduction and Key Concepts What will you observe in this investigation Write the equation for cellular respiration. What are some processes in plants that require respiration Design of the Experiment What are the three ways in which you can measure the rate of cellular respiration What method will be used in this demonstration Sketch a respirometer and label its important features. What does it measure As the organism inside the respirometer
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In Class Assignment 6: Cellular Respiration Figure 1: Glycolysis 1) Glucose is considered what type of energy? 2) What energy molecule must be used to start glycolysis? 3) Based on your answer to question 1 why do you think ATP must be used to start glycolysis? 4) How many net ATP are produced by glycolysis? 2 5) What is the end product of glycolysis? Figure 2: The Krebs Cycle 6) How many pyruvates did one molecule of glucose produce? 7) Based on your
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Benjamin Tiger1/16/12 Cellular Respiration Questions 1. Aerobic pathways require oxygen‚ while anaerobic pathways don’t. Anaerobic pathways only require the process of glycolysis to produce energy. Anaerobic pathways are found outside the mitochondria within the cytoplasm of the cell‚ with a low efficiency of 4%. These pathways require glucose‚ ATP‚ adolase‚ fructokinase‚ dehydrogenase‚ and NAD+. Out of one glucose molecule‚ major products include two net ATP‚ two NADH‚ and two pyruvate
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Cellular respiration is defined as a complex process in which food molecules are broken down to harvest chemical energy which is then stored in the chemical bonds of adenosine triphosphate (ATP). It is usually decided by the metabolic exercise and the equivalent amount of ATP discharge. As long as the extracellular O2 pressure surpass a demanding value ranging from 3-6 torr‚ studies have proof that cellular oxygen uptake stay permanently autonomous of oxygen tension. When the carbon-hydrogen bonds
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