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Carbon-based Life. All life forms are based on the bonding properties of the element Carbon The molecules involved in suppporting life are called Biomolecules Element: Smallest particles of matter Molecule: Made up of a number of elements H2O molecule made of hydrogen and oxygen.

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carbon based life
Carbon-based Life
  • All life forms are based on the bonding properties of the element Carbon
  • The molecules involved in suppporting life are called Biomolecules
  • Element: Smallest particles of matter
  • Molecule: Made up of a number of elements H2O molecule made of hydrogen and oxygen.
molecules of the cell
Proteins- DNA

Composed of Amino Acids

Chemical signals

Enzymes- Help reactions accur

Food sources: Fish meat eggs dairy product soy proteins are building blocks of our bodies.

Molecules of the Cell
protein structure
Protein structure
  • DNA and other proteins in your body are made from only 20 amino acids
  • The order in which they form determine their shape and therefore how they function
slide4

Food Sources: Fatty meats butter oil

Fats
  • Construction: Carbon chan, hydrogen and oxygen
  • Fats store energy for later use
  • Fatty tissues cushion your organs and provide your body with insulation.
  • Support body functions

Saturated- Solid: Straight chain.. Butter animal fat

Unsaturated – Liquid: oil Bent chain

sugars from carbohydrates c6 h12 o6 chemical formula
Sugars from Carbohydrates: C6 H12 O6= chemical formula
  • Carbohydrates are composed of sugars
  • Simple sugars give quick energy
  • Most common sugar:
    • GLUCOSE
    • OSE= sugar
  • Food Sources: Fruits fruit juices, candy
all are necessary
All are Necessary
  • ATP is a an energy molecule
  • What do fats, proteins and carbohydrates have to do with energy?
  • They all break down into molecules that provide energy.
thinking about what we have read
Thinking about what we have read
  • How are fats similar to sugars?
    • What are both made of?
    • Hydrogen carbon and oxygen
    • Provide energy
sugars
Sugars
  • What is starch? Chain of glucose molecules: a carbohydrate
  • What is glycogen? Chain of glucose stores energy in liver + muscles carbohydrate
  • Pasta is a starchy food – why might we eat pasta before a marathon? Starch is broken down slowly to release the glucose like a time release system.
constructing and breaking down
Constructing and breaking Down
  • Hydrolysis- Addition of water (h2o) breaking down molecules requires the addition of water
  • Dehydration reaction- removal of water making a molecule remove water molecules.
slide10

glucose

glucose

glucose

Water added

Hydrolysis

Makes a molecule

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