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Metabolism
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List the enzymes that aid in protein digestion and give their source.
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Why must Hydrochloric Acid (HCL) be added to the test tube along with the Pepsin?
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You have a gel filtration column with an unknown matrix. Describe step-by-step how you would determine its void volume and exclusion limit.
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List the enzymes that aid in lipid (fat) digestion and give their source.
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List the end products of digestion for carbohydrates, fats, proteins. There are enzymes secreted in the saliva, stomach, duodenum, and from the pancreas. What are the names of these enzymes what do they act on?
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Fat digestion requires two steps. a. What are the steps? b. What enzymes are used to accomplish each step?
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The stomach produces hydrochloric acid. How is HCl critical to the following: A. Pepsin (a gastric enzyme) B. Proteins
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Why does the body need so many different enzymes?
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What state of matter is liquid nitrogen?
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The minimum number of calories needed to maintain bodily functions at rest is ______. (a) Basal caloric rate (b) Basal metabolic burn (c) Basal meatball rate (d) Basal metabolic rate.
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Define the following enzymes: Rennin, Pepsin, Pancreatic amylase, Lipase, Trypsin, Maltase, Sucrase, Lactase.
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Which of the following enzymes has proofreading activity? (a) Ligase (b) Helicase (c) Topoisomerase (d) DNA polymerase (e) Peptidyl transferase.
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Fill in the blank: _______ is the enzyme that breaks down protein in the stomach.
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What is the function of the enzyme pepsin?
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The synthesis of organic compounds within an organism, with chemical reactions providing the energy source is much different from the most common one that usually uses light. What is the process?
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Trace the flow of an unabsorbed food particle as it enters the mouth and exits via the derriere. Include all regions of the pharynx, valves, sphincters, and specific regions of the small and large intestines. It must be in sequential order.
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Hydrogen peroxide decomposes spontaneously to yield water and oxygen gas according to the following reaction equation. 2H_2O_2 (aq) to 2H_2O (l) + O_2 (g) The activation energy for this reaction is 75 kJ mol^{-1}. In the presence of a metal catalyst, the
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List several reasons why measuring BMR using oxygen consumption measurements in the laboratory would not be a true measure of basal metabolic rate.
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Fill in the blank: The enzyme ______ breaks down fats into glycerol and fatty acids.
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Duncan’s diet contains high amounts of protein and fat, but it is very low in carbohydrates. As a result of following this diet, Duncan’s body forms more _____ than normal. a. vitamin C b. muscle fibers c. glycogen stores d. ketone bodies
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List the enzymes involved in chemical digestion, and name the foodstuffs on which they act.
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What is the primary fat digesting enzyme?
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Enzymes are very specific for the reaction that catalize. What determines the specific activity of an enzyme? – The amount of substrate present – presence of ions in the reaction – the 3-dimensional shape of the ezyme – the presence of vitamins hydrol
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How fast is alcohol metabolized?
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What is a collapsed colon?
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Many athletes work to reduce their body fat to the lowest possible percentage. What would happen if too little body fat were present?
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Metabolism
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What is the enzyme that begins protein digestion in the stomach?
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The ideal body-fat percentage is considered to be: A) 8% to 12% for men and 12% to 15% for women B) 12% to 18% for men and 25% to 30% for women C) 15% to 18% for men and 20% to 22% for women D) 18% to 24% for both men and women
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Are there particular enzymes that digest eggs?
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Which sequence most accurately describes the digestion of protein? 1. dipeptide 2. amino acid 3. protein 4. polypeptide 5. glycerol (a) 4, 3, 1, 2 (b) 3, 4, 1, 2 (c) 3, 4, 1, 5 (d) 4, 3, 5, 1, 2 (e) 2, 1, 4, 5
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Which of the following converts atmospheric nitrogen to ammonium? a.nitrifying bacteria b.nitrogen-fixing bacteria c.mycorrhizae d.ammonifying bacteria
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What is the role of enzymes in our body?
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What enzyme breaks down proteins in the stomach?
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Lipase is the enzyme that chemically digests fats into: a. Amino acids b. Lipids Fatty acids and glycerol c. Simple sugars
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To separate liquids in a mixture of different liquids, each having different boiling points, one would use the separation technique of: a. filtration b. evaporation c. distillation d. chromatography
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Is fasting anabolic or catabolic?
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Do any of your cleaning products contains enzymes? If so, which ones?
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Why are some digestive enzymes (pepsin, trypsin) made as precursors (pepsinogin, trypsinogen) that have to be activated in order to work?
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How fats are digested and utilized in the body. a) what enzyme is necessary for fat digestion? b)Where is this enzyme produced and where does fat digestion occur? c)How is it absorbed? d)What are ketones and what significance do they have in physiol
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A. Explain why a glucose test strip may be used to determine the enzymatic activity of lactase. B. In this exercise, five reactions were performed. Of those reactions, two were negative controls and one was a positive control. Describe which of the react
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