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Formative Assessment Plan Grade/ Subject: High School Biology OBJECTIVE: Bio.4.1.1Compare the structures and functions of the major biological molecules (carbohydrates, proteins, lipids, nucleic acids) Learning Target Criteria for Success Collecting Evidence Documenting Evidence I can compare the functions of the major biological molecules: carbohydrates, proteins, lipids and nucleic acids. I will explore the molecules, differentiating between the function of lipids/carbohydrates and proteins/nucleic acids After instruction on the four types of organic molecules: Students work in pairs to sort the cards in categories. (see Organic Molecules Card sort) Take pictures of the student’ cards as they complete their card sort in pairs. Be observant of any incorrect placement of the cards on the tables. Document this to include in activities later. When one group is finished with the cards, have another group check and discuss placement of cards until they are in the right location. Record ideas from conversations that need clarification for whole group and/or individual students in lesson plan book. Reinforcement: Student’s complete a bull’s eye map that compares the similarities and differences between carbohydrates/lipids and proteins/nucleic acids. (see Assignments file) 1. What misconceptions do you think students might have? Many students see food as a source of energy, but not as a source of nutrients that are broken down and reassembled to construct their tissues. Students are surprised that the chicken or corn they eat is converted into their skin, hair, nails. When asked why they eat, students will reply “because we are hungry” or “to get energy”. 2. What will you do to address the misconceptions to move learning forward (e.g., how will you adjust instruction, what descriptive feedback will you provide)? If students are holding this misconception, provide a brainpop video on body chemistry to increase understanding. Have students write a 5-sentence summary on how the four organic molecules are combined to create the human body. Read A/D statements to address any unexpected misconceptions that students might have. Engage in conversations with students as they write their PSA, ensuring they have addressed all the major conceptions. Review ‘The History of a Carbon Atom” creative writing for errors in framework. North Carolina Department of Public Instruction North Carolina Department of Public Instruction North Carolina Department of Public Instruction Organic Molecules Costa’s Levels Level II questions ONLY (level I is your job to do) 1. Predict what would happen if amino acids could not bind together? What essential cellular jobs would not occur and why? 2. Compare and contrast the structure of DNA to the structure of ATP. 3. Sequence the movement of glucose in a plant after it was generated from the combination of carbon dioxide, sun and water (use a flow map). 4. Sequence the movement of glucose in an animal after it was consumed in food. How would an excess of glucose be handled in humans? Level III question 5. Predict what would happen if nutrients were not recycled in the environment. North Carolina Department of Public Instruction Words for Memory Cards Lipids Carbohydrates Nucleic Acids Four Types of Organic Molecules Glycerol + Fatty Acids Functions glucose Nuts Proteins Nucleic Acids Monosaccharides Lactose Amino Acids DNA cereal RNA Adenosine Triphosphage (ATP) Glucose = simple sugar from photosynthesis Polymer Examples Monomer Examples sucrose Skin, hair, nails Enzymes Meat, fish, eggs Steroids Major component in cellular membranes Cellulose found in plant cell walls Triglycerides Building Blocks of the Organic Molecules (Monomers) Hemoglobin carries Oil, fats, waxes oxygen to cells Phosopholipids Names end in -ose Names end in -in Testosterone or estrogen Speed up chemical reactions Names end in -ase North Carolina Department of Public Instruction Immediate energy source for cells Stored Cellular concentrated communication energy Excess is converted to glycogen in animals Most is converted to starch in plants