If pep carboxylase is a more efficient c fixing enzyme than rubisco, why hasn't it replaced rubisco? permalink reply.

Alaska and northern canada have a diet rich in vitamin d and their skin color is darker than predicted on the basis of iv intensity at their latitude. explain the observation:

Cassandra made a venn diagram to compare and contrast the two stages of cellular respiration. which belongs in the area marked x? energy is released. oxygen is used up. glucose is broken down. carbon dioxide is used up.

What drives the atp synthase reactions that produce atp