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Biomolecules discussion. What is a Biomolecule?. Organic molecule made by living organisms Consist mostly of carbon (C), hydrogen (H), and oxygen (O). Monomers vs. Polymers. Monomers: Molecules that may react with similar molecules to form a chain Polymers:

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what is a biomolecule
What is a Biomolecule?
  • Organic molecule made by living organisms
  • Consist mostly of carbon (C), hydrogen (H), and oxygen (O)
monomers vs polymers
Monomers vs. Polymers
  • Monomers:
    • Molecules that may react with similar molecules to form a chain
  • Polymers:
    • A chain of many monomers that are chemically bonded together
formation of polymers
Formation of Polymers
  • Dehydration Synthesis (Condensation): Two hydrogen atoms and one oxygen atom are removed from the monomers to form water, and the two monomers are joined together.
breakdown of polymers
Breakdown of Polymers
  • Hydrolysis—the reverse of dehydration synthesis (condensation)
  • Water added to the polymer, un-linking the chain and breaking it back down to its original monomer units
carbohydrates
Carbohydrates
    • Group of organic molecules that includes sugars, starches and cellulose.
  • Function:
    • Energy
    • Structural Support
    • Cell Wall
    • Cell Membrane Marker
lipids
Lipids
    • Organic molecule group including fats and phospholipids
  • Function:
    • Energy storage
    • Insulation
    • Part of cell membrane (phospholipids)
    • Hormones
    • Monomer:
      • Glycerol and fatty acids
    • Insoluble in water
    • Do not form large polymers
proteins
Proteins
    • Group of organic molecules that provides structure and facilitates chemical reactions.
  • Function:
    • Enzymes (speed rate of chemical reactions)
    • Structural components in cells
    • Mechanical functions in muscles and cytoskeleton (internal cell framework)
    • Cell signaling
    • Immune response
proteins1
Proteins
  • Structure:
    • Monomer: Amino acids
    • Amino acids connect via peptide bonds
    • Very large molecules
    • Globular or structural
slide13
DNA
  • deoxyribonucleic acid
  • is the hereditary material
  • Monomer - nucleotides
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