body. Introduction Respiration is the physical process by which living organisms take in oxygen from the surrounding medium and emit carbon dioxide. The term respiration is also used to refer to the liberation of energy‚ within the cell‚ from fuel molecules such as carbohydrates and fats. Carbon dioxide and water are the products of this process‚ which is sometimes called cellular respiration to distinguish it from the physical process of breathing. Cellular respiration is similar in most organisms
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Thermodynamics- the study of the flow and transformation of energy in the universe Metabolism- all the chemical reactions in a cell Photosynthesis- is the anabolic pathway in which light energy from the sun is converted to chemical energy Cellular Respiration- catabolic pathway in which organic molecules are broken down to release energy Adenosine Triphosphate (ATP)- the most important biological molecule that provides chemical energy Thylakoids- flattened saclike membranes that are arranged in
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function. In photosynthesis and aerobic cellular respiration energy is being produced to cycle carbon between the functions. There is the function of maintaining life‚ helping aid chemical reactions‚ using the cell to help aid reation. All of these recycling processes help creates energy that is then in return used to aid their specific function. The life processes of nutrition and respiration are related to photosynthesis and Aerobic Cellular Respiration. All organisms use material from the outside
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cells during respiration to produce energy. The process of respiration Glucose + Oxygen → Carbon Dioxide + Water + Energy (C6H12O6 + 6O2 → 6CO2 + 6H2O + ATP) This type of respiration is called aerobic respiration which means respiration with oxygen. Mitochondria carry out respiration in the cells. This is why muscles have so many mitochondria as they need more energy in order to function. Respiration comes in two forms – anaerobic and aerobic. Anaerobic respiration refers to respiration without oxygen
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and no cellular machinery to protect them from the oxidizing power of oxygen. Organisms that cannot deal with the problems presented by oxygen cannot survive in air and are killed (Anaerobic Organisms Wikipedia). On the basis of oxygen tolerance‚ microorganisms can be placed into four classes. Strict aerobes cannot survive in the absence of oxygen and produce energy only by oxidative phosphorylation.Strict anaerobes‚ in many cases‚ generate energy by fermentation or by anaerobic respiration and are
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the cell divides‚ make up the cell cycle. In G1 cellular content is duplicated accept chromosomes. In S phase‚ each of the 46 chromosomes is duplicated by the cell. G2 double checks this looking to make some repairs if necessary. Mitosis is the process where by sister chromatids are split up to form two different cells. Once this has happened the whole process is free to start over making it a cycle. The Krebs cycle is a part of cellular respiration. It is a series of chemical reactions used by all
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Name Chapter 2--Cell Physiology Description Instructions Modify Add Question Here Question 1 Multiple Choice 0 points Modify Remove Question Which component below is not always found in a typical human cell? Answer cytosol DNA flagellum plasma membrane water Add Question Here Question 2 Multiple Choice 0 points Modify Remove Question A typical human cell is about ____ micrometers in diameter. Answer 1 to 2 10 to 20 80 to 100 150 to 200 200 to 300 Add Question
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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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would perform better in mathematical tasks‚ if there was an increase in blood flow through exercise. The increase in blood flow should help the brain to perform better as it receives more oxygen. This is because all cells require oxygen for cellular respiration. To test this‚ three females‚ aged 16-17‚ were asked to answer four mathematical questions for four trials. As each trial progressed‚ subjects had to run on the spot for an extra 30s. It was clear from the observations that initially‚ the increase
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