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Photosynthesis and Cellular Respiration

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About this sample

About this sample

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Human-Written

Words: 573 |

Page: 1|

3 min read

Published: Feb 12, 2019

Words: 573|Page: 1|3 min read

Published: Feb 12, 2019

Table of contents

  1. Prompt Examples for the "Photosynthesis" Essays
  2. Photosynthesis Essay Example
  3. Works Cited

Prompt Examples for the "Photosynthesis" Essays

  • The Process of Photosynthesis: Breaking It Down
    Explain the process of photosynthesis in detail, breaking down each step, the key resources involved (light energy, carbon dioxide, water), and the outcomes (glucose and oxygen). How does photosynthesis enable plants to create their own food?
  • Photosynthesis vs. Cellular Respiration: Understanding the Differences
    Compare and contrast photosynthesis and cellular respiration. What are the key distinctions between these two processes? How do plants use these processes differently, and why is it essential for plants to perform photosynthesis during the day and cellular respiration at night?
  • The Importance of Photosynthesis for Plant Survival
    Discuss the critical role of photosynthesis in a plant's survival. How does it provide plants with the necessary energy and nutrients? Explore the potential consequences if a plant were unable to perform photosynthesis.
  • Common Misconceptions About Photosynthesis
    Address common misconceptions or incorrect claims about photosynthesis, such as those mentioned by Mika in the essay. Provide clear explanations to refute these misconceptions and offer accurate information about when photosynthesis and cellular respiration occur in plant cells.
  • The Energy Acquisition Strategies of Plants and Animals
    Compare how plants and animals acquire and utilize energy. Explain the fundamental differences in their energy sources and processes. Why do plants rely on photosynthesis, while animals need to consume other organisms for energy?

Photosynthesis Essay Example

Plants use two processes to make food for themselves. They are photosynthesis and cellular respiration. One is used during day and one is used during night. Calvin’s explanation of when plants use these processes is that photosynthesis occurs when it is light, and cellular respiration occurs when it is dark. I agree with this because plants need light energy which comes from the sun to go through photosynthesis and at night, they use the glucose they’d made during day because the sunlight is gone. Photosynthesis is a process plants use during the day to break down resources to make food for themselves. This occurs in the chloroplasts of plant cells.

The resources they need are light energy, carbon dioxide, and water. Light energy travels to Earth by light waves from the sun. Carbon dioxide is taken in through tiny holes in leaves called stomata. Water is absorbed through their roots and travels from there, up to the leaves through tubes in the stem. When light energy, carbon dioxide, and water all get to the chloroplast, photosynthesis occurs. When light energy hits the carbon dioxide and water molecules, it is transformed into chemical energy and they all break up and rearrange to create glucose (a type of sugar). Oxygen is a waste product of photosynthesis and gets released with the glucose when the process is done.

The photosynthesis equation is CO2(carbon dioxide)+H2O(water)+light energy=C6H12O6(glucose) & O2(oxygen). Cellular respiration is a process plants use at night for energy. This happens in the mitochondria’s of plant cells. The resources needed for this are energy, carbon dioxide, water, and heat. Cellular respiration is the inverse of photosynthesis. The way this works is glucose and oxygen enter the mitochondria, which releases chemical energy for later use. Then, everything is sent out to give other cells more energy. This is how the plant can still get energy at night. Cellular respiration is used differently for both plant and animal cells. In animal cells, this can happen during the day and night. For plant cells, this is used during the night. The reason plants mostly use cellular respiration at night is that during day, the resources needed for this process are made during photosynthesis. If the plants were to use cellular respiration during the day, then all the glucose and oxygen would be gone by time night comes. If those resources are gone, then the plant could die from not being able to get enough energy.

Many people may think that Mika is correct, however this is wrong. He claimed that photosynthesis occurs when it is light, and cellular respiration occurs when it is both light and dark. Mika is wrong because he wasn’t supposed to talk about both plant and animal cells, only plant cells. It was already wrong because photosynthesis only occurs in plants and cellular respiration only happens in plants at night, but occurs in animals during both day and night. Calvin is correct because plants use photosynthesis during the day to make glucose and oxygen for cellular respiration to break back down and give to other parts of the plant for overnight energy.

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The way plants get their energy is different from animals. Animals have to eat other biotic factors to get energy, and plants have to use natural resources to make their own foods. All animals have to do is catch and feast on their prey. Plants have to use two processes called photosynthesis and cellular respiration for food.

Works Cited

  1. Alberts, B., Johnson, A., Lewis, J., Raff, M., Roberts, K., & Walter, P. (2014). Molecular Biology of the Cell. Garland Science.
  2. Campbell, N. A., & Reece, J. B. (2017). Biology. Pearson.
  3. Cox, M. M., & Doudna, J. A. (2017). Principles of Molecular Biology. W. H. Freeman.
  4. Freeman, S., Quillin, K., Allison, L., Black, M., Taylor, E., & Podgorski, G. (2017). Biological Science. Pearson.
  5. Lodish, H., Berk, A., Zipursky, S. L., Matsudaira, P., Baltimore, D., & Darnell, J. (2016). Molecular Cell Biology. W. H. Freeman.
  6. National Science Teachers Association. (2016). Photosynthesis and cellular respiration. NSTA.
  7. Raven, P. H., Evert, R. F., & Eichhorn, S. E. (2017). Biology of Plants. W. H. Freeman.
  8. Reece, J. B., Urry, L. A., Cain, M. L., Wasserman, S. A., Minorsky, P. V., & Jackson, R. B. (2014). Campbell Biology. Pearson.
  9. Sadava, D. E., Hillis, D. M., Heller, H. C., & Berenbaum, M. R. (2014). Life: The Science of Biology. W. H. Freeman.
  10. Taiz, L., & Zeiger, E. (2013). Plant Physiology. Sinauer Associates.
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Alex Wood

Cite this Essay

Photosynthesis and Cellular Respiration. (2019, February 11). GradesFixer. Retrieved November 19, 2024, from https://gradesfixer.com/free-essay-examples/photosynthesis-and-cellular-respiration/
“Photosynthesis and Cellular Respiration.” GradesFixer, 11 Feb. 2019, gradesfixer.com/free-essay-examples/photosynthesis-and-cellular-respiration/
Photosynthesis and Cellular Respiration. [online]. Available at: <https://gradesfixer.com/free-essay-examples/photosynthesis-and-cellular-respiration/> [Accessed 19 Nov. 2024].
Photosynthesis and Cellular Respiration [Internet]. GradesFixer. 2019 Feb 11 [cited 2024 Nov 19]. Available from: https://gradesfixer.com/free-essay-examples/photosynthesis-and-cellular-respiration/
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