Name Due Date: Section: Exercise 8: Photosynthesis This exercise is worth a total of 15 points. To receive full credit for Exercise 8‚ you must submit the following: 1) The typed Exercise 8 report form‚ complete with all of your data recorded and questions answered. 2) A full scientific report for the Part I experiment that your group conducted. Use the supplemental guide to writing a scientific report to help you produce this report. Part 1: Does light
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systems. Lead is a natural radioactive element found in the Earth’s Crust. Lead is harming a plant’s NPP can really change vegetation health‚ which could really affect the organisms consuming these plants. The Anacharis Elodea Densa Egeria is a plant that goes through photosynthesis‚ but lead affects this plants NPP. Lead is a type of metal with a dark bluish color. It makes up about .13% of the Earth’s crust and it is a natural element. This means that it was produced or made by nature. Lead is found
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Some students measured the pH of water containing elodea‚ a common water plant. The students wanted to learn how much carbon dioxide elodea removes from the water. The students knew that decreasing levels of carbon dioxide correspond to increasing pH. Which cellular structure in elodea carries out the process that is most likely to result in increasing pH? Which structures‚ if found in a cell‚ would provide the best evidence that the cell is eukaryotic? Where in the cell do the following
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SUMMARY OF ACTIVITIES FOR WEEK 2 EXPERIMENT ASSIGNMENT Experiment 2 Exercise 1a – Effect of substrate concentration on enzyme function Experiment 2 Exercise 1b – Effect of pH on enzyme function Experiment 2 Exercise 2 – Cellular Respiration and Photosynthesis Experiment 2 Exercise 1A: Effect of substrate concentration on enzyme function Review the Week 2 Experiment Introductions‚ our online lecture on Energetics and pp 80 - 82 in your book. For this exercise‚ we are going to look at the effect of
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Carbon Dioxide Understanding and Production in Elodea‚ Snail‚ and Goldfish Introduction This report discusses an experiment to study the rate of aerobic cellular respiration in aquatic organisms which are Elodea (aquatic plant)‚ Snail‚ and Goldfish‚ by measuring carbon dioxide production. Because ectothermic organisms (Elodea‚ snail‚ and goldfish) were placed in completely covered beaker‚ each organism would produce different amount of carbon dioxide. The objective of the experiment is to measure
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Cellular Energetics: The Rate of Cellular Respiration and Photosynthesis over Time Among Various Variables By: Ethan Barnett Introduction Cellular Energetics is the broad term that encompasses both cellular respiration and photosynthesis and refers to how energy changes and reacts within cells. Cellular respiration is the process by which cells break down sugars (ATP) in order to produce energy for other chemical reactions. Cellular respiration takes place mainly in the mitochondria and the reactants
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balanced equations for aerobic respiration and alcoholic fermentation. • To distinguish between inputs‚ products‚ and efficiency of aerobic respiration and those of fermentation. • Understand the relationship between respiration and photosynthesis. Note: You should perform experiments as described in this handout‚ which are adapted from Starr and Taggart’s Lab Manual for Biology (pp.131-142). Answer the questions in this handout as you wait for results to be seen. If this lab is to
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between crayfish and elodea. In order to figure this out we first set up three beakers to represent our control‚ elodea and crayfish and filled them with 75mL of culture solution which were dechlorinated making the solution acidic. We then had to place both the elodea and the crayfish in separate beakers filled with 25mL of water. The increase in volume of the water would represent the volume of the two test subjects. We then covered each beaker with plastic‚ but for the elodea we placed it under a
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Lab 4 – The Cell Answer Key Procedure 4.3 Draw a picture of a single Elodea cell and label all visible structures. See the diagram in your lab manual. Without staining‚ the only structures that should have been clearly visible should have been the cell walls and the green chloroplasts. Is this cell prokaryotic or eukaryotic? ______Eukaryotic_______________________ What evidence do you have to support this claim? The presence of organelles (chloroplasts) and its large size.
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Effects of Activators and Ethanol on Fermentation Rates In this lab we examined how the rate of fermentation is influenced by the type of substrate‚ and activators and inhibitors. We used four fermentation tubes in which we separately combined yeast with MgSO4‚ pyruvate‚ ethanol‚ and glucose. At five minute intervals we recorded the volume of gas produced in each fermentation tube. Our results are displayed in the graph. Our results supported the prediction that pyruvate is an activator
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