Alka-Seltzer Rocket Formal Lab Report Abstract In the Alka-Seltzer Rocket lab one was to experimentally determine how much (grams) Alka-Seltzer and water in mL‚ is needed to launch the rocket the highest/longest distance in cm. Also to experimentally determine the % NaHCO3 in the tablet using the information from the highest/longest distance. Calculate the error and % error of NaHCO3 in an Alka-Seltzer tablet and to determine the limiting reagent for the highest/longest distance traveled. Alka-Seltzer
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tube from mouth to anus. The digestion of carbohydrates begin in the mouth‚ where an enzyme‚ salivary amylase (α-amylase;ptyalin) starts to breaking the polysaccharides (starch) into short polysaccharides (dextrin). Dextrin is a partial degradation of starch‚ shorter chains of maltose units. Salivary amylase is inactivated by stomach acid in the stomach and to a small extent‚ it continues breaking down starch (but there’s no enzymatic activities on carbohydrates in the stomach). An intestinal enzyme
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stress. ROS are produced by two independent pathways: mainly the mitochondrial oxidative metabolism and cellular responses to bacterial invasion‚ xenobiotic and cytokines. To counteract the formation of ROS‚ a number of antioxidant proteins have been described. These proteins are superoxide dismutase‚ catalase‚ glutathione peroxidase‚ glutathione S-transferase‚ and ferritin heavy chain etc. Oxidative stress has been implicated to both the onset and progression of type I and type II diabetes ( ). The
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Agarose gel electrophoresis is a technique used in the laboratory to separate macromolecules such as nucleic acids and proteins. Electrophoresis can take a mixture of macromolecules of different molecular weights‚ shapes‚ and various electrical charges to determine all the various compounds in the mixture and allowing for further purification that can aid in details of individual elements of the mixture being studied. Agarose gel electrophoresis is a very important technique used in the field of
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Name: Abdirizaq Hussein Date:2/12/15 Graded Assignment Lab Report Answer the questions. When you are finished‚ submit this assignment to your teacher by the due date for full credit. (3 points) 1. Write the goal of the lab or the question you tried to answer. Answer: See what makes litmus paper change colors. (3 points) 2. Which observations‚ experiences‚ or lesson materials helped you form your hypothesis? Answer: The lab tutorial lessons‚ and quizzes helped (3 points) 3. State your hypothesis
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major dietary sources of each. a. Proteins b. Carbohydrates c. Fats . Janine made this statement: “… if your brain doesn’t get carbs—well‚ glucose‚ anyway—you get really cranky. You have to have enough carbs.” Find out if Janine is right. How does the nervous system use glucose? . Janine also said: “If you eat way too much protein and not enough carbs you can ruin your kidneys forever because of all the nitrogen you have to process breaking down the protein.” Find out if Janine is right about
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Rachel Bohnenberger Professor Van Doorn ENVS 150-002 27 April 2015 GMOs Lab Report Introduction As the population of Earth increases exponentially‚ so does the demand for more food. One of the solutions to the question of how more food can be produced is Genetically Modified Organisms‚ or GMOs. There is an ongoing debate about whether or not GMOs are more beneficial or harmful to society. Some of the benefits to GMOs are: growing plants‚ such as corn‚ that are resistant to weeds and pests‚ larger
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Cheyenne Kenny September 29‚ 2014. Biology Properties Of Water Adhesion How does temperature change affect surface tension? As the temperature of a liquid increases‚ its surface tension decreases. When water heats up‚ the movement of its molecules disrupts the imbalanced forces on the surface of the water and weakens its sheet-like barrier of tightly bound molecules‚ thereby lowering the surface tension. This is why hot water is more effective when cleaning; its low surface
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dyes eosin Y and methylene blue found in the medium inhibit the growth of gram-positive bacteria but not the growth of gram-negatives. Lactose fermenters metabolize the lactose in the media and produce acid byproducts‚ causing a color change in the colony which is dark purple‚ almost black. Strong acid productions by organisms result in a metallic green sheen. Weaker fermentation of
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serving of whole grain in every meal. Carbohydrates get a very bad rep because people assume that carbohydrates make you fat. The bad rep on carbohydrates may play a role in why the amount of fiber consumed in an individual’s diet is very
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