Part I: Biotechnology Bio – “life”; Techno – “tools”; ologoy – “the study of” The use of living systems and organisms to develop or make useful products Any technological application that uses biological systems‚ living organisms or derivatives thereof‚ to make or modify products or processes for specific use It is an interdisciplinary field merging basic sciences‚ applied science‚ and engineering Branches of Biotechnology a. Bioinformatics – an interdisciplinary field addresses biological problems
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was used throughout our experiment as our erythrocyte suspension‚ which consisted of ten drops of fish blood in a test tube containing 10mL of 0.7% NaCl. Eleven other solutions‚ (erythritol‚ xylose‚ monacetin‚ diacetin‚ triacetin‚ urea‚ thiourea‚ glycerol‚ ethylene glycol‚ glucose and fructose) all isosmotic but not necessarily isotonic with the cytoplasm of the erythrocyte‚ were combined with a 0.2mL of well-mixed stock suspension were added to 0.27M of each solution‚ one at a time‚ and timed how
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Parasitic Nutrition 21 May 2011 10:43 = organisms that live on or in another organism obtaining nourishment at the expense of the host and causing harm. Gut parasite (Taenia solium) = tapeworm Primary host = human (eat uncooked infected pork) Secondary host = pig (drainage channels contaminated by human faeces) Adaptations… - Suckers & hookers (attachment) - Body covering (immune responses) - Thick cuticle (inhibitory substances = enzymes) - Simple body systems (reproduction) - Very thin & large
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Final Exam Review Chapter 2 Study Questions 1. Define the following a) element b) compound c) pure substance 2. Classify each of the following as a pure substance or a mixture. For each pure substance‚ indicate whether it is an element or a compound. Which of the mixtures are solutions a) air b) titanium c) oak d) baking soda e) oxygen f) 7-Up g) wine h) carbon monoxide 3. Label each of the following drawings as element‚ compound‚ or mixture (Assume each type of circle
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beaker together with 4 grams of the potato slurry from Section 1. Add 3 cubic centimeters of dilute hydrochloric acid. The acid removes part of the starch called amylopectin‚ which inhibits the formation of a plastic film. Add 2 cubic centimeters of glycerol to act as a plasticizer‚ making the plastic less brittle. 5 Set up the tripod and gauze over the Bunsen burner. Place the beaker on top of the gauze and balance a watch glass over the beaker to act as a lid. 6 Heat the mixture to boiling
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canal does the pancreas secrete pancreatic juice? 13 What is the function of bile in digestion? 14 State three ways in which the absorbing surface of the small intestine is increased. 15 Into what body fluids do (a) glucose‚ (b) fatty acids‚ glycerol (c) amino acids pass? 16 Fill in the missing words.. The blood from the intestine goes first to the …….. before entering the general circulation. If the glucose concentration in the blood is above a certain level‚ it is changed to …….. and
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Standard B-3: The student will demonstrate an understanding of the flow of energy within and between living systems. B-3.1 Summarize the overall process by which photosynthesis converts solar energy into chemical energy and interpret the chemical equation for the process. Taxonomy Level: 2.4-B and 2.1-B Understand Conceptual Knowledge Key Concepts: Photosynthesis: light-dependent reactions‚ dark (light-independent) reactions Previous knowledge: In 6th grade (6-2.7)‚ students summarized the
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mixture before you pour it into whatever form it will be drying into. The problem of the plastic being weak and inflexible may be more difficult to solve. The most obvious way to increase the flexibility of a bioplastic is to increase the amount of glycerol (the plasticizer). This will make the end result more bendable‚ but it will also make the plastic weaker. So this might aggravate the problem of the plastic tearing easily. One of the reasons for this is just inherent in starch-only plastic. Starch
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Structure and Characteristics of Lipids‚ Proteins‚ and Carbohydrates Carbs Monosaccharide- simple sugars; simple carbs C6H12O6 3 types Glucose Energy source for all cells 1 of the 2 sugars in every disaccharide Makes up polysaccharides Mild‚ sweet flavor 6-sided ring Fructose Intensely sweet; naturally found in fruits‚ honey 5-sided ring Galactose No sweet flavor 6-sided ring Position of the hydroxyl group differs from glucose Disaccharides- pairs of monosacchs; simple carbs
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Taylor Durham Nutrition 101 Mr. Oropallo Lab Report #2: Fat Extraction From Food What is a triglyceride? Draw its structure. A molecule that contains three fatty acids attached at the oxygen atoms of glycerol. What are the differences between saturated and unsaturated fats? Drawn an example of each. If all bonds are single‚ the fatty acid molecule is saturated. If there is a double bond among the carbon atoms‚ the fatty acid molecule is unsaturated. What form does each of these fats take at
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