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Bellwork: Get out your lab
Review your questions, and summary with your group (4 Min) Copied and answered questions (HW) When we added water, what process was occurring; dehydration synthesis or hydrolysis? Describe the glue after water was added. When we added borax, what process was occurring; dehydration synthesis or hydrolysis? Describe the glue after borax was added.
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The glue contains a polymer called polyvinyl acetate resin
The glue contains a polymer called polyvinyl acetate resin. We changed the polymer’s behaviors twice in this activity; once when we added water and the second time when we added borax.
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Questions Level 1 – Describe……
Questions Level 1 – Describe……. Level 2 – Explain……… Level 3 – Predict………. Summary must include these words- polymer hydrolysis dehydration synthesis Gloop Lab Page _________ Essential Question: Question Column Glue + Food Coloring Add Water Add Borax L1 – L2 – L3 – Prediction: Hypothesis: Observation: Diagram: Summary -
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How are carbohydrates essential for life?
Standard B.9A – Compare the structure and functions of different types of biomolecules. Essential Question How are carbohydrates essential for life?
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Page 15 Carbohydrate Notes Page 16 Foldable - Biomolecules
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Carbohydrates & Lipids
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Objective: The objective of class today is to learn the structure and function of carbohydrates and lipids in living systems.
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Living things use carbohydrates as their main source of energy
Living things use carbohydrates as their main source of energy. Plants and some animals also use carbohydrates for structural purposes.
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The breakdown of sugars supplies immediate energy for all cell activities.
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The breakdown of sugars supplies immediate energy for all cell activities.
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Living things store extra sugar as complex carbohydrates known as starches.
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Single sugar molecules are called monosaccharides. (simple sugars)
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Three examples of monosaccharides include:
Glucose Galactose Fructose
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Large molecules made from monosaccharides are called polysaccharides.
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Three examples of a polysaccharide include:
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Carbohydrates Rings that link together in chains contain C, H, O
Ratio of carbon: hydrogen: oxygen is 1:2:1 energy = 4 cal/gram
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Structure: Functions: Elements: Good to know: Carbohydrate Monomer:
Main source of immediate energy Circle or ring shaped Create a 1:2:1 ratio Elements: Good to know: Often known as simple (monomers) and complex (polymers) C, H, O Carbohydrate Monomer: Polymer: Polysaccharide Examples: starch, cellulose Monosaccharide Examples: glucose, sucrose
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Biomolecule Foldable – Part 1 (Carbohydrates)
One full sheet per person Monomer Definition Draw a picture of monomers Hotdog and hamburger fold, then unfold Inside Lower Panel 2 Fold a Window Pane “Polymer” Polymer Definition Cut creases to open window Draw a picture of a polymer Window Pane 1 Inside Upper Panel 1 Outline border with one color “Dehydration Synthesis” “Carbohydrates” Dehydration Synthesis Definition Draw a glucose molecule Draw a picture of a Dehydration Synthesis Label the “Glucose” molecule Outside Window Pane 1 Inside Upper Panel 2 2 Functions “Hydrolysis” 4 Examples Hydrolysis Definition Inside Lower Panel 1 Draw a picture of Hydrolysis “Monomer”
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H
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Energy in Food Burning carbohydrates – watch and write down your observations Burning lipids – take notes and write down any observations Calories in food – take notes…MAKE SURE you write down how many calories per gram in each biomolecule AND the daily recommended allowance
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