Lab 7 – Cellular Respiration Objectives: • To be able to define cellular respiration and fermentation. • To give the overall balanced equations for aerobic respiration and alcoholic fermentation. • To distinguish between inputs‚ products‚ and efficiency of aerobic respiration and those of fermentation. • Understand the relationship between respiration and photosynthesis. Note: You should perform experiments as described in this handout‚ which are adapted from Starr and
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Living things get energy to do things through photosynthesis‚ food molecule breakdown‚ build up‚ storage‚ and lastly cellular respiration. All of these ideas are the reason that myself and others have energy to do anything and everything. Photosynthesis is one way plants(plants are the main source of energy for all things)get energy to do things. The reactants of this are water‚ carbon dioxide‚ and although light energy is not a reactant‚ it is necessary once the energy from the seed is gone. Carbon
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Cellular respiration is a series of metabolic processes by which living cells produce energy through the oxidation of organic substances. Photosynthesis is the process by which green plants and some other organisms use sunlight to make foods from carbon dioxide and water. A critical cycle of energy and matter that supports the continued existence of life on earth are formed by cellular respiration and photosynthesis. When it comes to the stages of cellular respiration‚ there are three stages. The
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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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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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Cellular Respiration: Using the Vernier LabQuest to detect CO2 gas production in germinating peas DESIGN Research Question: What is the effect of temperature on CO2 gas production in germinating peas? Background: The process of cellular respiration‚ which provides energy for cell growth and development‚ is an important part of life in germinating seeds. It converts the chemical energy of glucose into ATP. As a germinating seed respires‚ CO2 is produced as a byproduct. Therefore‚ the amount
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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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1.Explain the process of Cellular Respiration in order. Where does each step occur in a cell‚ which steps require oxygen‚ and how many ATP are produced in each step? Cellular respiration is the breakdown of glucose in the presence of oxygen to yield ATP. Glycolysis is the first stage in the breakdown of glucose and It occurs in the cell’s cytoplasm. It does not require oxygen (anaerobic). This step also occurs in two steps‚ the energy investment step‚ and the energy yielding step. This process yields
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