Energy content is an important property of food. The energy your body needs for running‚ talking‚ and thinking comes from the food you eat. Energy content is the amount of heat produced by the burning of 1 gram of a substance‚ and is measured in joules per gram (J/g). Usually‚ fat-rich foods like peanuts and cashews provide more energy than just carbohydrates like marshmallows. You can determine the energy content by burning a portion of food and capturing the heat released to a known mass of
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Metabolism By: Who ever Enzymes Enzymes act as a catalyst by speeding up or slowing down processes in the body. A protein enzyme has a particular shape that contains an active site. An active site is where a substrate fits into place to have its bonds either built or broken. At which time the products or product produced are released. The enzyme remains to continue to act on any available substrate. Hereditary Fructose Intolerance AldolaseB is found mainly in the liver. The second
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Biochemistry - Metabolism Enzyme Function and Activation Energy (Chapter 6 - Enzyme function and activation energy‚ n.d.) Induced Fit Model (Hudon-Miller‚ Enzymes‚ 2013) Why Does Aldolase B Deficiency Lead to HFI? • Understanding what happens to Glucose and Fructose in the liver is the first step. • Glucose enters the liver cell and Glucokinase is in the cytoplasm and adds a Phosphate (Pi) to make G-6-P to keep the glucose in the liver cell‚ which then becomes G-1-P and can be
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that contribute to this sandwich being turned into chemical energy. Be sure to include mechanical and chemical mechanisms‚ along with how they are metabolized in the body! Digestion is the chemical breakdown of food molecules into smaller molecules that can be used by various cells within the body. The breakdown is initiated when food is ingested in the mouth and specific enzymes are exposed to components within the food molecules. Digestion begins in the mouth with mastication‚ or chewing‚ performed
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When foods are eaten they must be changed into smaller molecules of nutrients before they can be absorbed into the blood. Once broken down‚ the nutrients are carried around the body through the bloodstream and the body uses them to build and nourish cells; and to provide energy. Food travels though the digestive tract by muscle contraction called peristalsis. This journey of digestion can take up to twenty four hours. Digestion begins in the mouth where the teeth break food down into smaller particles
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Introduction: A carbohydrate is an immediate form of energy in your body. Monomers is smaller than a polymer. For carbohydrate the monomer is sugar and the polymer is a polysaccharides. Carbohydrates are important to our body because we need to use energy. The purpose of this lab is to figure which one is the monomer and which one is the polymer. Hypothesis: If I place two drops of iodine into the mystery powder‚ it would turn from brown to black ONLY if it was a polymer‚ if it’s not a polymer nothing
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Western Governors University 2 Hereditary Fructose Intolerance Metabolism is the process of cellular respiration. It involves three steps‚ 1) glycolysis‚ 2) the citric acid or Krebs cycle and 3) electron transport system. The glycolytic pathway or glycolysis is a metabolic process that leads to the formation of the energy source adenosine triphosphate (ATP) in the body. ATP is essential to the cell and the cellular processes used by the cell. The first step‚ glycolysis is the process by which
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As humans‚ we have been naturally inclined to eat meat since the start of our existence. But many people believe that using an animal for our own personal gain is very unethical. One such group‚ PETA (People for the Ethical Treatment of Animals)‚ published “Animals Used for Food” in 2016 on their organizational website‚ they argue that animals are compassionate just like we are and that people need to be their heroes. PETA’s audience incorporates everyday people in a global aspect. This article combines
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The Process of Digestion Over the course of time there have been many difficult questions and theories about everyday life. Using physiology & chemistry‚ those questions have been able to be answered. From the mixture of gases in the air we breathe to the organic substance of plastic or paper‚ chemistry can be seen everywhere. However‚ most people mistook the power of chemistry in our own bodies. How is it that a simple slice of bread‚ once consumed‚ can turn into fuel for the human body
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Test for the Presence of Macromolecules Introduction In this experiment‚ we are trying to identify the presence of macromolecules in certain solutions. As in our daily lives‚ macromolecules are the essential nutrients that we have to take every day‚ therefore we would like to identify the types of macromolecules that contain in some of the food or solution in order to maintain a healthy life. There are four groups of macromolecules which are carbohydrates‚ lipids‚ proteins and
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