Saved Bookmarks
| 1. |
In c4 plants bundle sheath cells carrying out calvin cycle are very few in numbers through also c4 plants are highly productive explain |
|
Answer» ductivity of a plant is measured by the rate at which it photosynthesises. The amount of carbon dioxide present in a plant is directly PROPORTIONAL to the rate of PHOTOSYNTHESIS. C4 plants have a mechanism for increasing the concentration of carbon dioxide. In C4 plants, the Calvin cycle occurs in the bundle-sheath cells. The C4 compound (malic acid) from the mesophyll cells is broken down in the bundle-sheath cells. As a result, CO2 is released. The increase in CO2 ENSURES that the enzyme RUBISCO does not act as an oxygenase, but as a carboxylase. This prevents photorespiration and increases the rate of photosynthesis. Thus, C4 plants are highly productive. |
|