13) C4 plant

Corn is an example of a C4 plant. A C4 plant is a plant that has 4 carbon atoms instead of the usual C3 plant which has 3 carbon atoms. In a C4 plant , It is able to directly fixate CO2 to RuBisCO, CO2 is then incorporated into a 4-carbon organic acid, which has the ability to regenerate CO2 in chloroplasts. The vascular bundles of leaves that surround the plant is called the bundle sheath. C4 plants are more effiecient then C3 plants at not wasting resources that are around them such as the use of water the plant takes in.