Bio/204 week 4 photosynthetic stages

Resources: This week’s readings

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Write a 50- to 75-word response for each bulleted area (Download the worksheet):

  • Explain how CO2 enters leaves. What environmental factors control stomatal movement? How are these factors related to physical and chemical properties that control the opening and closing of stomata?
  • What are primary stages in the photosynthetic carbon reduction (PCR) cycle? Explain the role of each stage. Draw a diagram of the stages by utilizing drawing tools in Microsoft® Word to aid your explanation.
  • Explain how the ATP and NADPH produced by the photosynthetic electron transport chain are used in the PCR cycle.
  • What roles do light and Rubisco play in regulating the PCR cycle? Explain your answer.
  • Explain how cells release energy through glycolysis, respiration, and fermentation. Identify pathways in each stage. Describe each stage’s role in releasing energy.
  • What is the role of enzymes in degrading starch and sugar? Explain your answer.
  • Discuss some similarities and differences between respiration and fermentation.
  • Aerobic organisms are usually larger than anaerobic organisms. Suggest how this might be related to respiration.

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Include all references and in-text citations – all should be formatted in APA style.  Include an in-text citation for each paragraph (i.e. all paraphrased information must be cited, not just direct quotes), and include a references section.  Assignments with either of these missing will be considered plagiarism and will not be graded.

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University of Phoenix Material                      

 

Photosynthetic Stages Worksheet

 

Write a 50- to 75-word response for each question.

Include your references and in-text citations.  APA formatted references should go at the end of this document and each response should have an in-text citation.

Question

Student response

Explain how CO2 enters leaves. What environmental factors control stomatal movement? How are these factors related to physical and chemical properties that control the opening and closing of stomata?

 

What are primary stages in the photosynthetic carbon reduction (PCR) cycle? Explain the role of each stage. Draw a diagram of the stages, you may utilize the drawing tools in Microsoft® Word to aid your explanation.

 

Explain how the ATP and NADPH produced by the photosynthetic electron transport chain are used in the PCR cycle.

 

What roles do light and Rubisco play in regulating the PCR cycle? Explain your answer.

 

Explain how cells release energy through glycolysis, respiration, and fermentation. Identify pathways in each stage. Describe each stage’s role in releasing energy.

 

What is the role of enzymes in degrading starch and sugar? Explain your answer.

 

Discuss some similarities and differences between respiration and fermentation.

 

Aerobic organisms are usually larger than anaerobic organisms. Suggest how this might be related to respiration.

 

 

 

        

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