What is Krebs cycle? The Krebs cycle‚ also known as the Citric Acid cycle‚ is a very important process in cellular respiration. Without this portion‚ respiration would not be possible. This is because the Krebs cycle uses the pyruvate molecules from glycolysis to produce high energy molecules essential for the electron transport chain (ETC) which follows soon after. Described by Hans Adolf Krebs in 1937 A feature of cell chemistry shared by all types of life. A complex series of reactions beginning
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The Mystery of the Seven Deaths: A Case Study in Cellular Respiration In this case study‚ there were seven murders of which the cause is hypoxia. All seven victims were from the same neighborhood with similar symptoms. These symptoms are dizziness‚ confusion‚ headache‚ shortness of breath‚ and vomiting. The individuals in this case study are in fact similar. They all have the same symptoms‚ and live in the same area. Questions a chief medical officer would ask are; how was the individual acting
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Outline Chapter 6 6.1 Photosynthesis and cellular respiration provide energy for life A. Cellular respiration is the aerobic harvesting of energy from sugar by muscle cells. B. Cellular respiration and photosynthesis work together to provide energy. 6.2 Breathing supplies oxygen to our cells and removes carbon dioxide A. An organism obtains oxygen from its environment and releases carbon dioxide as waste. B. Breathing and cellular respiration are
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Chapter 9- Cellular Respiration & Metabolism Life is Work! Living Cells- we all require transfusion of energy from the outside For us- it comes from food Plant Friends- sun (light) Most ecosystems- flows in as sunlight & out as heat Panda- obtains energy from eating plants Catabolic Pathways Yield energy by oxidizing food Exergonic reaction- gives up energy Ex. Cellular Respiration Most efficient Take in food‚ break it down‚ yields energy Yield energy by transferring electrons Redox Reaction
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Week 3 Activity Chapter 15: Choose the best answers in the following cases: 1. Which of the following is not a characteristic of living things? a. Living thing use energy b. Living things maintain themselves c. Living things have the capacity to reproduce d. Living things are part of populations that remain constant from one generation to the next 2. The macromolecules made from carefully folded strings of amino acids are a. Proteins b. Carbohydrates c. Lipids d. Nucleic acid 3. One
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BIOLOGY I BACCHALAUREATE SIXTH PARTIAL SECOND QUIMESTER How students will be grade on a class project? Topics: Photosynthesis (chapter 7) and Cellular Respiration (chapter 8) Objectives: to explain and describe the metabolism of photosynthesis reactions and respiration reactions Specific objectives: (each one is a topic project) to explain the overall reactions of photosynthesis and respiration as metabolic pathways and coupled reaction. to explain and describe photosynthesis
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Brittany Snell Nielson Bio 110 Oct-11-2013 Cellular Respiration All living organisms need energy to function and we get this energy from the foods we eat. The most efficient way for cells to harvest energy stored in food is through cellular respiration. Cellular respiration is defined as the aerobic harvesting of chemical energy from organic fuel molecules. Cellular respiration occurs in eukaryotic and prokaryotic cells. It has three main stages: glycolysis‚ the
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Thermogenesis is the process of heat production in organisms. It occurs mostly in warm-blooded animals‚ but a few species of thermogenic plants exist. One form of thermogenesis is called thermo-regulatory thermogenesis. This is involved with keeping the temperature of the human body regulated. The average body temperature is 98.7 degrees (F)‚ which is quite a bit higher than the ambient (surrounding) temperature in most cases. There are two types of thermo-regulatory thermogenesis: shivering and
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Introduction: Cytochrome c oxidase plays a vital role in cellular respiration by accepting e- from cytochrome c and transferring them to an acceptor oxygen molecule in the final step of electron transfer chain. Carbon monoxide and cyanide are few of the inhibitor of this enzyme. 4 Fe2+ -cyt c + 8H+ + O2 4 Fe3+ -cyt c + 2H2O + 4H+ [out] Cytochrome c oxidase locates to the inner membrane which separates the mitochondrial matrix from the intermembrane space. However‚ Potato tubes can
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Makenzie Ann Cox October 22‚ 2014 Biology 1112.317 Lab Report Amounts of Carbon Dioxide/ Oxygen Animals are Producing/ Consuming Introduction Every cell needs a source of energy in order to perform their daily functions. However the process to get this energy is different for plant and animal cells. Plants cells undergo a process called photosynthesis where light energy from the sun is used to convert carbon dioxide and water into glucose and oxygen. For animal cells‚ the process is known as cellular
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