linked together by a covalent bond • monomers: smaller molecules covalently bonded which can link to make polymers • the molecules associated with living things are grouped into 4 major categories carbohydrates lipids (fats) proteins nucleic acids 1. Carbohydrates • it’s a biological macromolecule that consists of carbon‚ hydrogen & oxygen in a 1:2:1 ratio • are among the most common organic material on earth • millions of tonnes are produced by plants and algae
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What are the central ideas of Cells? • What are cells? – Cells are the smallest basic unit of living things. • What do they do? – Cells take in raw materials and making new substances. • Why do they do this? – In cells‚ organelles carry out activities to keep the organism alive. – E.g. synthesising proteins and fats‚ releasing energy from glucose. What are the central ideas of Movement of Substances? • What processes describe how substances move from one region to another? –
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Biology notes for FST Project *ADD SUMMARIES AT END OF CHAPTERS UNIT 1 Macromolecules * Large molecules sometimes composed of a large number of repeating subunits * Four major classes: Carbohydrates (made of simple sugar/glucose)‚ Lipids (Glycerol and Fatty Acids)‚ Proteins (Amino Acids) and Nucleic Acids (Nucleotides) * Condensation reaction/dehydration synthesis: a reaction that creates a covalent bond between two interacting subunits. Removal of H from one functional group
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hypertension‚ type 2 diabetes‚ and obesity later in life (Brown‚ 2010). 4. What was wrong with the dietary advice Elizabeth was given The original advice given was the wrong advice because she was instructed to eat no sugar and a low carbohydrate diet‚ which is not entirely correct‚ as the primary goal is to have a normalized blood glucose level. One of the
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we need to understand that children of growing up age needs some source of energy to help them grow. Main sources of energy are carbohydrates and fats. Carbohydrates are important‚ because it is the main source of energy which is needed for good growth and development of the body and the brain‚ especially for growing up children. Sugars are a type of carbohydrates. Milk which is a natural product in itself also contains sugars known as lactose. It is this sugar (lactose) in milk which helps
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• Describe phospholipids and steroids. Glossary • • • • • • • MonoDiPolyMacroPolymer Phospholipids Steroid Overview: The Molecules of Life • All living things are made up of four classes of large biological molecules: – Carbohydrates – Lipids – Proteins – Nucleic acids • Macromolecules are large molecules (polymers) composed of thousands of covalently connected (monomers). • Everything is made of atoms molecules macromolecules. Macromolecules are polymers‚
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MACROMOLECULES OF LIFE DEFINITIONS INORGANIC CHEMISTRY A branch of chemistry which studies the structures‚ synthesis and reactions of compounds other than HYPERLINK http//searchbox.hyperdictionary.com/dictionary/hydrocarbons t _blank hydrocarbons and their derivatives ORGANIC CHEMISTRY A branch of chemistry that deals specifically with the structures‚ synthesis and reactions of carbon-containing compounds. CHEMICAL BONDS When two or more atoms are bonded together to form new and more complex aggregates
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5. Answer all questions and submit responses on designated date Examine Your Carbohydrate Intake: 1. How many grams of carbohydrates do you consume in an average day? 2. How many calories does this represent? 3. It is estimated that you should have at least 100 grams‚ and ideally much more‚ of carbohydrate in a day. How does
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Name: ______________________________________ Date: ________________________ Student Exploration: Dehydration Synthesis Vocabulary: carbohydrate‚ chemical formula‚ dehydration synthesis‚ disaccharide‚ glucose‚ hydrolysis‚ monosaccharide‚ polysaccharide‚ valence Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. If you exercise on a hot day‚ you need to worry about dehydration. In this context‚ what do you think dehydration means? When you are exercising in the heat you
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______________________________________ Date: ________________________ Student Exploration: Identifying Nutrients Vocabulary: carbohydrate‚ disaccharide‚ lipid‚ monosaccharide‚ polysaccharide‚ protein‚ starch Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. What are the major types of nutrients you can get from food? Proteins‚ lipids‚ carbohydrates‚ minerals and vitamins 2. How are these nutrients used by your body? Nutrients are used by your body for everyday functions
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