the chemistry of life part 1 topic 3.1 -3.2. most frequently occurring chemical elements in living...
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![Page 1: The Chemistry of Life Part 1 Topic 3.1 -3.2. Most frequently occurring chemical elements in living things are: C, H, O, N Additional important elements](https://reader035.vdocuments.site/reader035/viewer/2022062423/5697bf991a28abf838c916c0/html5/thumbnails/1.jpg)
The Chemistry of Life Part 1Topic 3.1 -3.2
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• Most frequently occurring chemical elements in living things are:
• C, H, O, N
• Additional important elements include:
• S, Ca, P, Fe, Na
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State one role for each of the elements listed on the previous slide
• C –
• H –
• O –
• N –
• P –
• S –
• Ca –
• P –
• Na –
• Fe -
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Draw and label a diagram showing the structure of water. Show their polarity and hydrogen bond
formation
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Outline the thermal, cohesive and solvent properties of water
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Explain the relationship between the properties of water and its uses in living organisms as a
coolant, medium for metabolic reactions and transport medium
• Coolant –
• Metabolic reactions –
• Transport medium –
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Distinguish between organic and inorganic compounds
• Organic Inorganic
compounds compounds
containing carbon that do not contain
found in living orgs, carbon
(exception of
hydrogencarbonates,
carbonates, and oxides
of carbon)
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Identify amino acids, glucose, ribose and fatty acids from each other structurally
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Carbohydrates
• Types:
• Monosaccharides: monomer; CH2O;
• Function: Energy
• Examples:
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• Disaccharide function – Transport of monomer nutrients
• Examples:
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• Polysaccharides
• Function: Energy storage; structural
• Examples: • Cellulose Chitin
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Polysaccharides cont’d
• Starch Glycogen
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State one function of
• Glucose:
• Lactose:
• Glycogen:
• (in animals)
• And
• Fructose:
• Sucrose
• Cellulose
• (in plants)
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Outline condensation (dehydration synth) and hydrolysis reactions
between:Carbs – Monosaccharides and disaccharides
•And Monosaccharides and polysaccharides
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Outline condensation (dehydration synth) and hydrolysis reactions between:
Glycerol and fatty acids to form a triglyceride (fat)
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Outline condensation (dehydration synth) and hydrolysis reactions between:
• Amino acids and polypeptides
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State three functions of lipids
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Lipids
• Function:
•
• Liqid fat: oils
• Solid fat: animal fat
• Types: fats, steroids, waxes
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Compare the use of carbohydrates and lipids in energy storage