Question

What are CAM plants
What is the difference between c3 and c4 plants.



Pl zz somebody drop many many thanks to all my answers.​

Answer 1

C3 and C4 plants are differentiated as below:

1. C3 plants do not have photosynthetic adaptations to reduce photorespiration
2. About 85% of plants are C3 category plants
3. C4 plants minimize photorespiration by separating initial CO2 fixation and the Calvin cycle in space, performing these steps in different cell types.

Answer 2

CAM plants

• CAM plants are the plants, which fix carbon dioxide by CAM pathway or Crassulacean acid metabolism.
• It was first discovered in the plants of the Crassulaceae family.
• They are present in dry and arid environments.
• The CAM pathway is adapted to minimise water loss and photorespiration.
• Examples of CAM plants include cactus, pineapple, etc.

Difference between C3 plants and C4 plants

• C3 plants are defined as a common plant that does not consist of any photosynthetic adaptations to reduce photorespiration.
• The plants that use fixation of the carbon dioxide by rubisco are known as C3 plants.
• This fixation is done by the Calvin cycle.
• Approximately 85% of the plants are C3 plants, including rice, wheat, soybeans, and all trees.

• In C4 plants, the light-dependent reactions and the Calvin cycle are physically divided.
• In this, the light-dependent reactions take place in the mesophyll cells.
• The mesophyll cell is spongy tissue present in the middle of the leaf.
• While the Calvin cycle occurs in special cells around the leaf veins. These cells are known as bundle-sheath cells.