Lab 20 Assignment: Energy and Photosynthesis Pre lab and Post lab

Lab 20 Assignment: Energy and Photosynthesis Pre lab and Post lab Lab 20 Assignment: Energy and Photosynthesis Pre lab and Post lab Permalink: https://nursingpaperessays.com/ lab-20-assignmen…lab-and-post-lab / ? Experiment 1: Paper Chromatography Data Tables and Post-Lab Assessment Table 1: Part 1: Chromatography Data Solvent Distance from Original Line to Solvent Front Number of Bands R f Factor Acetic Acid Acetone Mineral Oil Water Table 2: Part 3: Photosynthesis Data Test Tube Time Required to Change Color Initial Color Final Color Time Required to Change Color (Hours) 1 2 3 Post-Lab Questions 1. What did the different colored bands signify in each solvent for Part 1? What pigments can you associate them with? 2. What is the osmolarity fluid used in Part 2? Why is this important? Why is it essential to keep it cool? 3. How could you modify this experiment to show the effects of different wavelengths of light on the photosynthetic rate? 4. Some plants (grasses) tend to contain a greater concentration of chlorophyll than others (pines). Can you develop a hypothesis to explain this? Would it be testable? 5. Saliva does not contain amylase until babies are two months old. How could this affect an infant’s digestive requirements? Answer the following 5 questions in depth: 1. What was the main theme of this experiment? 2. To what degree were the objectives outlined in the introduction to this experiment met? 3. What conclusions were drawn from the results? 4. What was the clearest and also the most difficult aspects of this experiment? 5. How would you improve this experiment? Permalink: https://ulcius.com/ lab-20-assignmen…lab-and-post-lab / Lab 20: Energy and Photosynthesis Pre-Lab Questions 1. Describe how the functional units for beta carotene, xanthophyll, chlorophyll A, and chlorophyll B are different. Be sure to identify the subunits that adhere to paper during chromatography. 2. Describe a technique for measuring photosynthetic rate. 3. Many deciduous trees have leaves which turn yellow in the fall. What do you suppose is happening in the leaves at the cellular and molecular level? 4. Chloroplasts and mitochondria are both are unusual in that they have double membranes and contain their own set of DNA. Can you think of any explanations for this observation? Get a 10 % discount on an order above $ 100 Use the following coupon code : NURSING10

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