Unit II Written Response Set-Up

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2 Unit II Written Response Set-Up On the next blank page in your notebook, put the title Unit II Written Responses If your title page is the front of a page, skip the back of the page and the front of the next page If your title page is the back of a page, skip the next front and back of the page. Put the title Unit II Notes

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5 Biochemistry Intro Video

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18 Written Response #1: What are the following molecules made up of? O 2 : C 9 H 8 O 4 : C 8 H 10 N 4 O 2 :

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25 Written Response #2 ph Scale Draw a diagram of the ph scale. Make sure you include the following: Scale (numbers 1-14) Label and color the following on your diagram: strong acid (red), weak acid (pink), neutral (green), weak base (light blue), strong base (dark blue) Add an example of the following on your diagram: strong acid, weak acid, neutral, weak base and strong base (make sure to include the specific ph of your examples)

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35 Lab: ph 1. Make predictions about the materials you will be testing today. 2. Complete the lab by using ph paper to determine the ph and identity of substances. 3. Complete the graph and answer the questions. 4. When you are finished, work on the following: a. Imaginary Organism (if still not finished) b. Vocabulary activity due Thursday c. Study your root words for quiz tomorrow

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40 Written Response #3 Organic or Number from 1 to 7 Inorganic For each molecule, determine whether it is organic or inorganic.

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49 Amoeba Sisters: Biomolecules

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51 WR #4: How are starch and simple sugars related?

52 Carbohydrates Model - Activity

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63 Written Response #5: What Should I Eat? For each of the scenarios below, choose between simple sugars, starches or lipids: 1. I want to swim 50 miles 2. I want to run the 100 meter dash 3. I want to prepare to live on a deserted island with little to no food (long term energy storage)

64 Written Response #6: Which Organic Molecule? Iodine Benedict s No test Fatty acids Nucleotide Sugars Amino acids Control genes Brown paper bag Starch Glucose Enzymes Stored energy Quick energy Biuret s Long term energy Hormones Glycerol Carbohydrates Proteins Lipids Nucleic Acids

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72 Nucleotides Nitrogen base Phosphate Sugar

73 Written Response #7: Biomolecule Concept Map Draw the concept map in your notebook and complete.

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78 Eggbert and Roberta s Stomach - Lab Testing Agent Positive Test Benedict s Solution (Simple Sugars) Iodine Solution (Starch) Biuret s Reagent Solution (Proteins) Orange or brick red Dark green, blue or black (depending on the concentration) Pink or purple Brown Paper Bag (Lipids/Fats) Paper will become translucent (see through). For this test, you must allow the solution to dry

79 Macromolecule Menu complete on a separate sheet to turn in You have been hired as a nutritionist to plan a daily menu that will ensure your client is consuming the required organic molecules to support an active lifestyle and proper cell functioning. 1. Select a recipe for breakfast, lunch, dinner and snack 2. Analyze the recipe to make sure your client will consume all four biomolecules Breakfast Lunch Dinner Snack Ingredient Molecule Ingredient Molecule Ingredient Molecule Ingredient Molecule

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90 Chemical Reactions Written Response #8: 1. Draw a synthesis reaction using glucose and starch. Label the reactant(s), product(s), glucose and starch. 2. Draw a digestion reaction using glucose and starch. Label the reactant(s), product(s), glucose and starch.

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92 Protein Denaturation If you alter the temperature or ph, you will change the shape of a protein. If you change the shape, it will no longer work properly. The protein is now denatured.

93 Written Response #9: Enzyme 1. At what ph would enzyme rate reach it peak? 2. What can you predict will happen to the enzyme activity if I add a strong acid? 3. What can you predict will happen to the enzyme activity if I add a weak acid? Activity

94 Written Response #10: Lactose Intolerance Lactose intolerance is the inability to break down lactose (sugar in dairy) due to the lack of presence of lactase (enzyme that breaks down lactose). Write a paragraph and include pictures to describe what is happening internally for a person with lactose intolerance compared to someone who is not intolerant to lactose. *Remember the enzyme-substrate complex*

95 Enzyme Worksheet Complete the handout and glue/tape into your notebook. If you finish before class is over, work on your vocabulary activity (due Wednesday).

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99 Enzyme Cut-Out Activity 1. At the top of the next page in your notebook, write Enzyme Cut Out Activity 2. Complete parts A, B and C in your notebook. 3. Complete part D on the handout first and then glue/tape it into your notebook.

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103 Written Response #11 1. Label each of the parts a-d on the diagram to the right. 2. Answer true of false to the following statements: A. Enzymes interact with specific substrates B. Enzymes change shape after a reaction occurs C. Enzymes speed up reactions. D. One enzyme can be used for many different types of chemical reactions. 3. Write the correct effect (increase, decrease, not change). A. Raising the temperature slightly will the rate of reaction B. Boiling temperature will the rate of reaction. C. Changing the ph toward the optimal ph will the rate of reaction.

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106 What are the 4 types of organic compounds? Proteins, Carbohydrates, Lipids, Nucleic Acids

107 What is the simplest unit of matter? An atom

108 Where can acids be measured on the ph scale? Below 7

109 What is the most abundant compound on Earth? Water

110 What is the primary function of a lipid? Long-term energy storage

111 What is the primary function of a carbohydrate? Provides a quick energy source

112 What is the primary function of a protein? Allows for growth and repair of tissues; gene expression

113 What is the primary function of a nucleic acid? It stores or transmits genetic information

114 What are the two major classifications of carbohydrates? Sugars and starches

115 What are the two types of nucleic acids? DNA and RNA

116 Proteins are polymers of Amino acids

117 How many amino acids exist? 20

118 To which class of organic compounds do enzymes belong? Proteins

119 Enzymes have two vital functions. What are they? Speed up chemical reactions and break down materials

120 What is the smallest unit of a compound? A molecule

121 What 3 structures make up a nucleotide? 5-carbon sugar, nitrogen base, phosphate group

122 What do nucleotides join together to form? Nucleic acids

123 What is a common analogy to describe enzyme and substrate interactions? Puzzle pieces (enzymes only bind to one specific substrate)

124 What part of an enzyme determines the substrate on which it will act? The active site

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