homework/assignments no homework!!’ please bring a 1 liter bottle for a lab next...
TRANSCRIPT
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Homework/Assignments
No Homework!!’
PLEASE BRING A 1 LITER BOTTLE FOR A LAB NEXT WEDNESDAY/THURSDAY!!!
Monday 8/31/2015 AGENDA
Activity: Foldable
Notes: Organic Compounds (Macromolecules)
Activity: Unit Summary
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Organic Compounds
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• Make up most of living organisms• Contain bonds between two or more carbon atoms • C can easily bond with up to 4 other elements
Organic Compounds
4 valence electrons = 4 covalent bonds
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• Carbon atom is versatile, can be “backbone” of long chains or rings• Organic molecules can be extremely large and
complex; these are called macromolecules
Organic Compounds
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Organic Compounds
• Four main types of organic macromolecules:
Carbohydrates Lipids Proteins Nucleic Acids
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• Made of C, H, & O• Main energy source for living things• Breakdown of sugars supplies
immediate energy for cell activities• Extra sugar is stored as complex
carbs called starches
Carbohydrates
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• Single sugar molecules are called monosaccharides• Examples:
• glucose – in many plant and animal tissues, most common monosaccharide
• fructose – in many fruits• galactose – component of milk
Carbohydrates
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• Large molecules of many monosaccharide are polysaccharides• Examples:
• glycogen – animals use to store excess sugar
• plant starch – plants use to store excess sugar
• cellulose – fibers that give plants their rigidity & strength
Carbohydrates
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• Store more energy than CHOs because the chains are longer
• Ex: Fats, oils, waxes •Won’t dissolve in water
Lipids
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Lipids
• Important parts of biological membranes and waterproof coverings• Steroids are lipids that act as
chemical messengers
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Lipids
•Many lipids are made from a glycerol combined with fatty acids• If all carbons have single bonds, lipid is saturated
• Ex: butter, lard, animal fat (usually solid at room temperature)
• If any carbons have double or triple bonds, lipid is unsaturated
• Ex: vegetable oil, fish oil, peanut oil (usually liquid at room temperature)
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• Contain C, H, O, plus nitrogen
• Formed from amino acids joined together
• More than 20 amino acids can be joined in any order or number to make countless proteins (think of how many words can be made from 26 letters!)
Proteins
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Proteins
• Chains are folded and twisted giving each protein a unique shape
• Van der Waals forces and hydrogen bonds help maintain protein’s shape
• Shape of protein is important to its function!
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Proteins• Provide structure • Ex: Collagen- makes up your skin,
muscles & bones
• Aid chemical activities in your body• Ex: Enzymes- work to speed up
rxns in your body
• Transport substances into or out of cells
• Help fight diseases
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•Contain C, H, O, N plus phosphorus•Formed by bonding of individual units called nucleotides
Nucleic Acids
nucleotide
Nucleic Acid
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Nucleic Acids
•Store and transmit hereditary information• Ex: DNA (deoxyribonucleic acid)
RNA (ribonucleic acid)
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• Using your notes and all worksheets, you are to write a summary over the unit in your notebook
• The summary needs to be at least 3 paragraphs (5-7 sentences each)
• Topics to be discussed in your summary: Properties of water, pH (acids and bases), Levels of Organization, Atoms, Elements, Compounds, Molecules and Macromolecules
• Lastly, you are to explain how Biochemistry relates to you as an organism
Biochemistry Unit Summary
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Homework/Assignments
Study for your Biochemistry Exam TOMORROW/THURSDAY!!!
Tuesday 9/1/2015 AGENDA
Activity: Biochemistry Word Splash
Word Splash due Today in Class for 25 Points (GRADEBOOK)
NOTEBOOK CHECKS TODAY!!!
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• With the word chosen, you must represent that word through pictures…while still spelling out the word.
• For example…
Be creative and include color in each of your letters
When you’ve finished, cut out your word and paste it onto the “Biochemistry Splash Wall”
Biochemistry Surface Tension Macromolecule Molecules EnergypH Scale Acids & BasesCohesionAdhesionMatter
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Homework/Assignments
No Homework!!
Wednesday/Thursday 9/2-9/3/2015 AGENDA
Activity: Review Games
Exam: Biochemistry Unit
Activity: Sick Science (Elephant Toothpaste!!)
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Homework/Assignments
No Homework this Weekend!!
Friday 9/4/2015 AGENDA
Activity: Prokaryote vs. Eukaryote Cells Reading and Annotations
Activity: Cells Venn Diagram