Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
Related questions
Question
Transcribed Image Text:### Photosynthesis and the Calvin Cycle Worksheet
**13. Draw the complete pathway of the Calvin cycle reactions. Indicate where the investment of ATP, CO₂, and NADPH come into the cycle.**
**14.** What is the enzyme that "fixes" carbon in the Calvin cycle?
**15.** What environmental input is necessary for the Calvin cycle reactions?
**16.** What is regenerated in the Calvin cycle reactions?
**17.** What is the primary product of the Calvin cycle reactions?
**18.** The carbons for the product above come from
---
#### Laboratory Exercise 7
**PART B: Photosynthesis Worksheet**
**19.** In most plants, a buildup of oxygen occurs when
When oxygen rises in a plant, it combines with the enzyme
This process is called
**20.** Did the Calvin cycle reactions evolve when the concentration of atmospheric oxygen on earth was low or high?
**21.** What spatial and/or temporal adaptations allow C₄ and CAM plants to survive arid (dry) conditions better than C₃ plants?
**a. C₄:**
**b. CAM:**
**Activity:**
Explain the significance of Engelmann's experiment and how it relates to the absorption spectra of chlorophyll a and chlorophyll b.
#### Chloroplast Structure and Processes
**Task 6:**
Label the diagram with the following structures: thylakoid membrane, stroma.
Draw arrows to show where water and carbon dioxide enter and where oxygen and sugars exit. Clearly indicate if these substances are entering or exiting the thylakoid membrane or stroma.
***Diagram Description:***
The chloroplast diagram shows an oval-shaped organelle with stacks of disc-like structures (thylakoids) and a fluid-filled space (stroma).
#### Photosynthesis Reactions
**Task 7:**
Identify the location within the chloroplast where light reactions occur.
**Task 8:**
Identify the location within the chloroplast where Calvin cycle reactions occur.
**Task 9:**
List two environmental inputs necessary for the noncyclic light reactions:
a.
b.
**Task 10:**
Identify the products formed by the noncyclic light reactions. Star (*) the two used in the Calvin cycle reactions. Underline (_) the product considered as "waste":
a.
b.
c.
**Task 11:**
Identify the initial electron donor and the final electron acceptor in the noncyclic light reactions.
Is the final electron acceptor oxidized or reduced?
**Task 12:**
Explain the role of chemiosmosis in photosynthesis.
---
#### Objective
This resource aims to deepen the understanding of critical processes in photosynthesis, focusing on historical experiments, structural components, and the series of reactions occurring within chloroplasts.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F22a026bc-c657-4c8d-9c9c-4002a0abbbe8%2F5bcd9212-04fb-4949-9b44-4432f7876d35%2Fu2r59ep_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Educational Resource on Photosynthesis
#### Understanding T.W. Engelmann's Experiment
**Task 5:**
In 1882, T.W. Engelmann conducted an experiment to determine the wavelengths of light important for photosynthesis. He placed a strand of *Spirogyra* (a filamentous green alga) across a glass slide. Using a crystal prism, he illuminated the slide with a spectrum of colors. He then introduced a drop of water containing bacteria that required aerobic respiration.
Watch the following YouTube video to see his results: [https://youtu.be/Rt37Hyn4Qv4](https://youtu.be/Rt37Hyn4Qv4)
**Activity:**
Explain the significance of Engelmann's experiment and how it relates to the absorption spectra of chlorophyll a and chlorophyll b.
#### Chloroplast Structure and Processes
**Task 6:**
Label the diagram with the following structures: thylakoid membrane, stroma.
Draw arrows to show where water and carbon dioxide enter and where oxygen and sugars exit. Clearly indicate if these substances are entering or exiting the thylakoid membrane or stroma.
***Diagram Description:***
The chloroplast diagram shows an oval-shaped organelle with stacks of disc-like structures (thylakoids) and a fluid-filled space (stroma).
#### Photosynthesis Reactions
**Task 7:**
Identify the location within the chloroplast where light reactions occur.
**Task 8:**
Identify the location within the chloroplast where Calvin cycle reactions occur.
**Task 9:**
List two environmental inputs necessary for the noncyclic light reactions:
a.
b.
**Task 10:**
Identify the products formed by the noncyclic light reactions. Star (*) the two used in the Calvin cycle reactions. Underline (_) the product considered as "waste":
a.
b.
c.
**Task 11:**
Identify the initial electron donor and the final electron acceptor in the noncyclic light reactions.
Is the final electron acceptor oxidized or reduced?
**Task 12:**
Explain the role of chemiosmosis in photosynthesis.
---
#### Objective
This resource aims to deepen the understanding of critical processes in photosynthesis, focusing on historical experiments, structural components, and the series of reactions occurring within chloroplasts.
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