C4 photosynthesis pathway
[DOCX File]Tredyffrin/Easttown School District / Overview
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C4 photosynthesis. Occurs in plants that have a specialized chemical pathway that allows them to capture even very low levels of carbon dioxide and pass it to the Calvin cycle. Corn, sugar cane, sorghum. CAM. CAM plants only allow air into their leaves at night which minimizes water loses. Carbon dioxide is trapped in the leaves and it is ...
[DOC File]Analytical Questions 1 - Molecular Structure
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For a plant growing in bright sunlight, which factor is most likely to be limiting the rate of photosynthesis? 15. This graph shows the rate of carbon fixation for two plants over a range of oxygen concentrations with normal carbon dioxide concentrations. Which plant appears to be using C4 photosynthesis? Explain the reason for your conclusion.
[DOCX File]A Plant’s dilemma
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In other words, the C4 pathway minimizes photorespiration by separating the so-called light and dark reaction in different locations of the leaf, thereby isolating O 2 from RuBisCO. There is a cost to this strategy: every CO 2 molecule has to be fixed twice, first by 4 …
[DOC File]General Biology Exam 1 – Topic – Name:
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If C4 photosynthesis prevents photorespiration, why haven't all plants evolved to use the C4 pathway? All plants will evolve to be C4 in time. C4 produces some toxic byproducts. C4 is not advantageous in all climates. Only some plants use C4 photosynthesis. C4 is only advantageous in high oxygen habitats. When water supplies are plentiful for ...
[DOC File]TYPES OF PHOTOSYNTHESIS
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The three types of photosynthesis are C3, C4, and CAM. C3 photosynthesis is the typical photosynthesis tha most plants use and that everyone learns about in school (it was all we knew about until a few decades ago). C4 and CAM photosynthesis are both adaptations to arid conditions because they result in better water use efficiency.
[DOC File]CHAPTER 10 PHOTOSYNTHESIS
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The C4 plants fix CO2 first in a four-carbon compound. Several thousand plants, including sugercane and corn, use this pathway. In C4 plants, mesophyll cells incorporate CO2 into organic molecules. The key enzyme, phosphoenolpyruvate carboxylase, adds CO2 to …
[DOC File]msbrookeday.weebly.com
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C4 Photosynthesis : C4 plants. Called C4 because the CO2 is first incorporated into a 4-carbon compound (called Malate or Malic acid) Stomata are open during the day. Uses PEP Carboxylase for the enzyme involved in the uptake of CO2. This enzyme allows CO2 to be taken into the plant very quickly, and then it "delivers" the CO2 directly to ...
[DOC File]CHAPTER 10 PHOTOSYNTHESIS
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In one strategy, C4 plants first fix CO2 in a four-carbon compound. Several thousand plants in 19 plant families, including sugarcane and corn, use this pathway. A unique leaf anatomy is correlated with the mechanism of C4 photosynthesis. In C4 plants, there are two distinct types of photosynthetic cells: bundle-sheath cells and mesophyll cells.
[DOC File]Describe the light reactions of photosynthesis and, for ...
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What are the two major biochemical differences between C3 and C4 photosynthesis. 3. Trace the pathway water moves in Angiosperms (flowering plants) from the soil through the tissues. of the root, stem, and leaves to the atmosphere. Explain the physical/chemical properties of water and mechanisms involved in conducting water through these ...
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