Which exocrine strcture is involved in the digestion of fat

What happens when a magniseum ion ia atracked to a chlrene ion

The model illustrates a process by which a substance is taken up by a cell

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?