Question: In C4 plants, where does the initial fixation of CO2 occur?
Options:
In the mesophyll cells
In the bundle sheath cells
In the stroma
In the thylakoid membranes
Correct Answer: In the mesophyll cells
Solution:
In C4 plants, the initial fixation of CO2 occurs in the mesophyll cells before it is transferred to bundle sheath cells.
In C4 plants, where does the initial fixation of CO2 occur?
Practice Questions
Q1
In C4 plants, where does the initial fixation of CO2 occur?
In the mesophyll cells
In the bundle sheath cells
In the stroma
In the thylakoid membranes
Questions & Step-by-Step Solutions
In C4 plants, where does the initial fixation of CO2 occur?
Correct Answer: Mesophyll cells
Step 1: Understand that C4 plants are a type of plant that uses a special method to fix carbon dioxide (CO2).
Step 2: Know that the process starts in a part of the leaf called mesophyll cells.
Step 3: In the mesophyll cells, CO2 is initially fixed or captured.
Step 4: After fixation in the mesophyll cells, the CO2 is then moved to another part of the leaf called bundle sheath cells.
Step 5: In the bundle sheath cells, the CO2 is used in the process of photosynthesis.
C4 Photosynthesis – C4 plants utilize a unique pathway for photosynthesis that involves the initial fixation of CO2 in mesophyll cells, which is then transported to bundle sheath cells for the Calvin cycle.
Mesophyll and Bundle Sheath Cells – Understanding the roles of mesophyll and bundle sheath cells in C4 plants is crucial for grasping the differences between C3 and C4 photosynthesis.
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