Question
Give comparison between anatomy of leaf in C3 and C4 plants.
Solution
|
C3 leaves |
C4 leaves |
||
|
1. |
Leaves do not have Kranz anatomy. |
1. |
Leaves have Kranz anatomy. |
|
2. |
Bundle-sheath cells are absent |
2 |
Bundle-sheath cells are present |
|
3. |
RuBisCo is present in the mesophyll cells. |
3. |
RuBisCo is present in the bundle-sheath cells. |
|
4. |
The first stable compound produced is 3-phosphoglycerate –a three-carbon compound. |
4. |
The first stable compound produced is oxaloacetic acid – a four-carbon compound. |
|
5. |
Photorespiration occurs |
5. |
Photorespiration does not occur |
