Starch is a type of Carbohydrate that’s made from thousands of glucose units. Simple sugars are the basic units that make up starch. Carbohydrates provide us with energy so that we can carry out our daily routines. Our body then digests it into glucose so we can have energy to do that. Saliva is a form of chemical digestion that is in the mouth. Amylase is an enzyme that catalysts the breakdown of starch into sugars. Amylase is present in human saliva‚ where it begins the chemical process of digestion
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Yvan Mamboukuate 10/09/2013 BIO 101 Lab Report Biological Molecules Introduction: In this experiment‚ simple chemical tests will be performed to identify the presence of various types of biological molecules. These tests take advantage of the fact that different types of molecules have different functional groups and‚ therefor‚ different chemical properties. Thus‚ they will react to test reagents (also called indicators) differently. Materials: Biuret‚ Sudan III‚ Iodine‚ Benedict‚ water
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glycogen similar? d. How are starch and glycogen different? e. Where do plants store starch in their cells?-plastids f. Where do Humans and most vertebrate animals store glycogen?-liver and muscle cells g. How do alpha and beta glucose differ? Why is this significant to animals?- i.How is chitin different from cellulose?-chitin has a nitrogen containing appendage j. Where can chitin be found?animals exoskeletons Part 2: Lipids Pages 74-77 • What characteristic
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Name of Student: Vicki Marshall Introduction A series of biochemical tests was carried out to identify unknown carbohydrates. There were six carbohydrates that needed to be identified; they have been randomly labelled A-F. The carbohydrates are glucose‚ fructose‚ maltose‚ lactose‚ sucrose and starch. There was six tests that were carried out to help identify them‚ these were: Iodine Test‚ Solubility in Water‚ Benedict’s test‚ Acid Hydrolysis‚ Barfoed test and Diastix test. Aim The aim of the
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there are two pathways anerboic and aerobic respiration. aerobic requires oxygen in order for respiration to take place. The equation for this is glucose + oxygen -> carbon dioxide + water(+energy). Anerboic respiration does not require oxygen it only happens when there is not enough oxygen for aerobic respiration. The equation for this is glucose -> lactic acid (+energy relesed). When a muscle contracts it creates movement which is called an isotonic contraction. An isotonic contraction can normally
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main forms it exists in‚ its effects on the body‚ and how we can avoid it. Body: I. Sugar is the simple name for the sweet‚ short-chained‚ simple carbohydrate used in foods. Sugar is broken down into two categories; simple monosaccharides such as glucose‚ fructose‚ and galactose‚ and complex disaccharides such as sucrose‚ maltose‚ and lactose. a. Sugar is a very calorie dense food with no nutritional value. Not all calories act the same way‚ calories from sugar are more fattening than any other calorie
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catabolism and anabolism. Catabolism is the process that involves the breaking down of large molecules (usually carbohydrates and fats) to produce the energy required for all activity in the cells. For example‚ when carbohydrate is broken down into glucose in the mouth. Anabolism refers to the chemical reaction in which simpler substances come together to form larger molecules. This reaction helps in storing energy for the body to use in the future. It also supports cell growth and the maintenance of
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Denisse Gayosso-Lucano BIO 1140 As industrialization and urbanization increased in America‚ plants‚ animals and humans became endangered by the rise in temperatures and carbon levels. It was then that Carla‚ a carbon atom was born at the Sahara desert. At night‚ Carla and her friends went outside to watch the stars peacefully. It had never occurred to them that the night would bring a sudden kidnap. All of Carla’s friends and Carla were attached to two oxygen atoms. Unfortunately‚ Carla fainted
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any element. Diffusion happens in both short and long distances while osmosis takes place over short distances. Molecules are in a state of equilibrium across a selectively permeable membrane during osmosis. Water is the smallest with 3 atoms‚ then glucose with 24 atoms‚ than sucrose with about 48 atoms‚ and then finally starch. Materials: Refer to lab book Procedure:ia Refer to lab book Data: Refer to lab book Analysis: The purpose of the dialysis bag containing
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two 3-carbon molecules‚ and this is pyruvate. The process that splits the monosaccharide into two molecules of pyruvate called glycolysis. Glycolysis is an energy dependent process; however it can not get its energy directly from sugars such as glucose so an alternative is needed. During respiration energy is released‚ that energy is then converted into ATP. ATP is made from inorganic phosphate and ADP. The energy released from respiration is then stored in the bond (phosphate bond) in ATP. This
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