Answer:
Active uptake.
Explanation:
This phosphate active uptake is mantained mainly by two systems: Pst system, which is only used in situations of phosphorus deficiency, when the level of the external Pi (inorganic phosphate) is lower than 20 micromolar. The Pit system is used constitutively, it means, at all time. These systems relies in several membrane proteins.
Natural selection, who’s definition is: the process where by organisms better adapted to their environment tend to survive and produce more offspring.
Answer:
Ao & oo
i don't really know if the answer is this....
Isotonic solution
This is a solution in which there is no net movement of water into our out of the cell when a cell is placed in this solution. The solution is also dilute.
I think you wanted to know whether the statement in question is true or false. Based on this assumption, i am answering this question and hope that it helps you. It is absolutely true that the slash and burn system of deforestation reduces the number of oxygen producing and puts more carbon in the air.
