AP Bio p. 6 December 8‚ 2011 AP Biology Lab 5: Cellular Respiration Introduction/Lab Objective: In this lab we are testing how the process of cellular respiration is affected by temperature‚ and also how it is different between germinating and non-germinating peas. Cellular respiration is a catabolic process (breaks down organic material into usable cell energy) that produces ATP. The electron receivers are inorganic. Cellular respiration releases energy from organic material through chemical
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Cell Respiration & Photosynthesis BIO STUDY GUIDE (Ch. 9.1-9.5‚ 10.1-10.3) I) CELLULAR RESPIRATION A) Catabolic Pathways A.1) Fermentation: partial degradation of sugar that occurs w/o oxygen A.2) Cellular Respiration: oxygen is used A.3) Redox Reactions (Oxidation-Reduction that exchanges electrons) Oxidation: loss of electrons (energy must be added) Reduction: addition of electrons. (-) charged electrons added to atom reduce amount of (+) charge of that atom A.4) Stepwise Energy Harvest
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Principles of Cellular Respiration Ashley Flannigan November 5th‚ 2013 Professor Ryan BSC2010 Lab Fall 2013 2220 ABSTRACT Students in a Biology 1 lab class constructed an experiment on Cellular Respiration by investigating the effects of temperature on crickets’ metabolic rate. By following the following procedures out of the Lab Manual‚ the students were able to find an almost accurate representation of the crickets’ cellular respiration rate under various temperatures in order to
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are three main stages of cellular respiration are glycolysis‚ the citric acid cycle‚ and electron transport/oxidative phosphorylation. Enzymes play a role in cellular respiration. Enzymes are proteins that catalyze or affect the rate of chemical reactions. The main purpose of enzymes in cellular respiration is to help in transporting electrons from one molecule to another. These transfers are called redox reactions. Where the loss of electrons from one molecule oxidation must correspond with more
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Title: Showing Cellular Respiration through Alcoholic Fermentation Abstract: The experiment was conducted to determine the impact different yeast amounts had on yeast fermentation. It was hypothesized that the more yeast added the more CO2 would be produced. The carbon dioxide production was measured in the fermentation of yeast with solution of no yeast in test tube 1‚ 1mL yeast in test tube 2‚ and 3mL of yeast in test tube 3 over a period of twenty minutes. All of the yeast amounts produced
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production. They are also the responsible location for which respiration takes place. Mitochondria contain enzymes that help convert food material into adenosine triphosphate (ATP)‚ which can be used directly by the cell as an energy source. Mitochondria tend to be concentrated near cellular structures that require large inputs of energy‚ such as the flagellum. The role of the mitochondria is very important in respiration. In the presence of oxygen‚ pyruvate or fatty acids‚ can be further oxidized in
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Biology 101 1 November 2013 Cellular Respiration in Peas Part A: Abstract: This report examines Cellular Respiration and its functions as well as its function in germinating and non-germination peas. Cellular Respiration can best be described as a complicated string of chemical reactions. The complete Cellular respiration process begins with Glucose being oxidized‚ and the potential energy is transferred to the ATP molecule. The ATP molecule is now free to supply energy to the various
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Carbon cycle essay I eat some corn during lunch and then cellular respiration takes place. During the process of cellular respiration the glucose and oxygen I took in will be turned into carbon‚ water‚ and ATP. I will expel this carbon through my lungs. This carbon then is used by photosynthesis of phytoplankton in the water. During the photosynthesis that takes place‚ sunlight‚ water‚ and carbon are taken in by the plankton and then a fish eats this phytoplankton and this organism dies. When the
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AP BIOLOGY Lab 5 Cellular Respiration Objective: To calculate the rate of CR from the data. To then relate gas production to respiration rate. Then test the rate of CR in germinating versus non-germinating seeds in a controlled experiment and then test the effect of temperature on the rate of CR in the germinating versus non-germinated seeds in a controlled experiment. Analysis: 1. The CR is higher in the germinating peas in the cold water rather than in the beads or non-germinating peas
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fermentation (anaerobic) or respiration (aerobic). Both of these processes involve oxidation of foodstuffs‚ yet only the latter requires oxygen. Cellular respiration is a very complex process that consists of many steps that take place inside the cell‚ in an organelle called a mitochondrion. Mitochondria are responsible for converting digested nutrients into the energy-yielding molecule adenosine triphosphate (ATP) to fuel the cell’s activities. This function‚ known as aerobic respiration‚ is the reason mitochondria
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