do now turn in lab report to bin. make sure your old rubric and your peer reviewed report. write...
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DO NOW
• Turn in lab report to bin. Make sure your old rubric and your peer reviewed report.
• Write homework down.• Carbon is an essential element in the construction of
macromolecules. It is also an important element in our environment. To the best of your ability, draw a diagram of the carbon cycle.
Quick Review:
Carbon Cycle - Essential to life
ANNOUNCEMENTS
• Please turn in your report to the homework bin.• Homework sheet – due Friday• http://mrscaskey.weebly.com/
MACROMOLECULES: THE BIG PICTURE
HTTPS://WWW.YOUTUBE.COM/WATCH?V=NT9U7CFVOC4
NOW THAT WE’VE DETERMINED ATOMS MAKE UP MOLECULES AND THAT ORGANISMS ARE MADE OF MOLECULES…. WHAT KIND OF MOLECULES?
• All life on earth is based on a particular kind of atom
NOW THAT WE’VE DETERMINED ATOMS MAKE UP MOLECULES AND THAT ORGANISMS ARE MADE OF MOLECULES…. WHAT KIND OF MOLECULES?
• All life on earth is based on a particular kind of atom• Carbon
NOW THAT WE’VE DETERMINED ATOMS MAKE UP MOLECULES AND THAT ORGANISMS ARE MADE OF MOLECULES…. WHAT KIND OF MOLECULES?
• All life on earth is based on a particular kind of atom• Carbon
• Small atom
NOW THAT WE’VE DETERMINED ATOMS MAKE UP MOLECULES AND THAT ORGANISMS ARE MADE OF MOLECULES…. WHAT KIND OF MOLECULES?
• All life on earth is based on a particular kind of atom• Carbon
• Small atom
• Has four bonding points
NOW THAT WE’VE DETERMINED ATOMS MAKE UP MOLECULES AND THAT ORGANISMS ARE MADE OF MOLECULES…. WHAT KIND OF MOLECULES?
• All life on earth is based on a particular kind of atom• Carbon
• Small atom
• Has four bonding points
• Forms strong bonds with other atoms
NOW THAT WE’VE DETERMINED ATOMS MAKE UP MOLECULES AND THAT ORGANISMS ARE MADE OF MOLECULES…. WHAT KIND OF MOLECULES?
• All life on earth is based on a particular kind of atom• Carbon
• Small atom
• Has four bonding points
• Forms strong bonds with other atoms
• Many different stable arrangements allowing for numerous kinds of molecules essential for life on earth
• https://www.youtube.com/watch?v=O6VHViA2BcQ 2.5 minutes
ORGANIC MOLECULES
• Any molecule that has a Carbon and a Hydrogen atom• Life depends on organic molecules
• These molecules also may contain the following elements:• Oxygen (O), Nitrogen (N), Phosphorous (P) and Sulfur(S)
MACROMOLECULES
• Macromolecule:• Are large molecules made by many
smaller molecules combining through chemical bonds
• Monomers are subunits that are combined together to form polymers.
• Polymers are repeating chains of monomers.
MACROMOLECULES
• 4 major macromolecules • Carbohydrates• Lipids• Protein• Nucleic Acids
CARBO HYDRATES
• Elements: • Carbo = Carbon
• Hydrates = Water = 2 Hydrogen (H) + 1 (O)
• 1. C - Carbon
• 2. H - Hydrogen
• 3. O - Oxygen
CARBO HYDRATES
• Monomers: Monosaccharide• Examples: glucose , fructose
• Polymers:• Disaccharide = ________ monomers added together
• Sucrose
• Polysaccharide = ________________ monosaccharides added together• Starch, glycogen, cellulose
MAKE A MONOMER OF A CARBOHYDRATE
• https://www.youtube.com/watch?v=vx5n21zHPm8
• Yellow = Carbon• White = Hydrogen• Blue = Oxygen
BUILD A CARBOHYDRATE POLYMER– DEHYDRATION SYNTHESIS
https://www.youtube.com/watch?v=ZMTeqZLXBSo
During dehydration synthesis
• hydrogen (H) of one monomer combines with a hydrogen and oxygen from another monomer releasing a molecule of water.
• Water =
MAKE A POLYMER THROUGH DEHYDRATION SYNTHESIS
• Make a disaccharide with your monomers• You will be making a polymer and a molecule of water • Water = 2 Hydrogen atoms and 1 Oxygen atom
• Remember• Yellow = Carbon• White = Hydrogen• Blue = Oxygen
WHERE DO WE FIND CARBOHYDRATES?
• In plant products
• Fruits, vegetables, peas, beans, potatoes
• Sugar comes from a plant (Sugar cane)
• Flour (wheat)
• pasta, bread, cookies
• In animal products
• Milk (lactose)
WHAT FUNCTION DO CARBOHYDRATES PROVIDE?
Function:
1. Provide short term energy source
2. Structural support, plant stems
THERE ARE 2 TYPES OF CARBOHYDRATES
Simple Sugars Complex• Made of 1 monomer =
monosaccharides -or-• Made of 2 monomers =
disaccharides making it a polymer.
• Ex: Cookies, fruits
• Are polymers made up of many monomers = polysaccharides
• Ex: Pasta, bread, vegetables
EXIT SLIP
• Legos make a great analogy for monomers and polymers. Can you think of another analogy for monomers and polymers?
• What have you used, worn, played with, built, or observed that are made of smaller repeating units?
WHAT DO YOU THINK THE OPPOSITE OF DEHYDRATION SYNTHESIS IS?
• Hydrolysis• Adding water (H2O) to break apart
EXIT SLIP: WHAT HAPPENS TO COMPLEXITY AS YOU INCREASE THE LEVELS OF ORGANIZATION? WHY?
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