Download - Macromolecules in Living Organisms
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Macromolecules in Living Macromolecules in Living OrganismsOrganisms
There are 4 main classes of macromolecules:
Carbohydrates(CBH)
Lipids
Proteins
Nucleic acids
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CarbohydratesCarbohydrates
Functions in living organisms
Basic structure
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Reactions involving carbohydratesReactions involving carbohydrates
Endergonic-building
Exergonic-breaking apart
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Important CBHsImportant CBHs Storage
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Structural CBHs
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LipidsLipids
Functions: Lipids include:
Energy storage
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Fats & OilsFats & Oils
Non polar Each fat molecule (AKA
triglyceride) consists of:
– How are they joined together?
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Variations in fats are due to fatty acid composition FAs may be
– Saturated– Unsaturated
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Fat Functions:Fat Functions:
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PhospholipidsPhospholipids Glycerol,2 Fatty
acids, + phosphate group
Cell membranes
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GlycolipidsGlycolipids Glycerol, 2 FA chains, CBH
Impt. Components of cell membrane, usually facing into the external environment
FA
FA
glycerol
CBH
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SteroidsSteroids
Steroid nucleus Functions