Lab assignment Unit 4

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Lab Assignment Activity Unit 4 Katarzyna Nowinska Behavioral Health , University of the People BIOL 1121 : Biology 1 for Health Studies Gautam Krishnan , PhD December 8 , 2023

Virtual Laboratory Activity - BIOL 1121 - Unit 4 Data Collection and Result While you are working on this virtual lab activity, please record your data in the tables below. 1) Data Collection Tables A. First Set Component Initial Value Component Final Value Carbon Dioxide 100 Carbon Dioxide 100 Water 25 Oxygen 0 Light Intensity 0 Sugar 0 Overall observation: 0 0 1k 2k B. Second Set Component Initial Value Component Final Value Carbon Dioxide 100 Carbon Dioxide 80 Water 25 Oxygen 20 Light Intensity 50 Sugar 2 Overall observation: 12/8/23, 11:32 AM NetLogo Web: Chloroplasts and Food 100 0 0 1k 2k tim e C. Third Set Number of molecules Number of molecules

Component Initial Value Component Final Value Carbon Dioxide 200 Carbon Dioxide 124 Water 50 Oxygen 76 Light Intensity 100 Sugar 11 Overall observation: 12/8/23, 11:50 AM NetLogo Web: Chloroplasts and Food time Number of molecules 0 1k 2k 0 250 Component Initial Value Component Final Value Carbon Dioxide 200 Carbon Dioxide 116 Water 50 Oxygen 84 Light Intensity 50 Sugar 13 Overall observation: 12/8/23, 11:40 AM NetLogo Web: Chloroplasts and Food A. Fourth Se time Number of molecules 0 1k 2k 0 250

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2) Conclusion Write a conclusion about this virtual lab activity in 5-6 sentences. In the first simulation, there is not enough light (0), so photosynthesis cannot occur eff ectively. In the second simulation, the introduction of light intensity (50) indicates favorable c onditions for photosynthesis. As a result, carbon dioxide decreases, oxygen increases, and sug ar is produced. In the third simulation, the carbon dioxide level was increased (200), while th e light intensity was left unchanged (50). It resulted in a more significant decrease in carbon d ioxide, higher oxygen production, and increased sugar production compared to simulation 2. I n simulation four, higher light intensity (100) leads to a slightly more significant decrease in c arbon dioxide, decreased oxygen production, and a slight reduction in sugar production comp ared to Set 3. The simulation shows the process of photosynthesis, in which light energy is converte d into chemical energy, and one of the results of this process is the production of oxygen. Chl oroplasts, shown here as green dots, absorb light energy - i.e., white dots- which triggers che mical reactions (Novak, 2016). This process involves converting water molecules into oxyge n molecules and gradually converting carbon dioxide into glucose molecules, called the Calvi n cycle (Fowler et al., 2013). The simulation shows the relationship between inputs and outpu ts in plant chloroplasts. It could help explain how they convert water and carbon dioxide into glucose and water using energy absorbed from light. As the simulation progresses, one can se e that more carbon dioxide molecules are transformed, creating new glucose molecules. This process generates chemical energy in the form of ATP (adenosine triphosphate) and produces oxygen as a by-product.

References Novak, M. and Penuel, B. (2016). Chloroplasts and Food Model. NetLogo. https://www.labxchange.org/library/items/lb:LabXchange:dad95647: lx_simulation:1?fullscreen=true Fowler, S., Roush, R. & Wise, J. (2013). Concepts of biology. OpenStax College. https://openstax.org/books/concepts-biology/pages/5-1-overview-of-photosynthesis

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