Answer:
proton pump creates the electrochemical gradients in the plasma membrane of plants, fungi, protists, and many prokaryotes also they push hydrogen ions from areas of low concentration to areas with high concentration
<span>The correct answer is b. ocean and freshwater system conditions generally remain constant throughout the year. This is not true because they are very different. For examples, freshwater rivers can completely freeze during the winter while oceans can't freeze completely, not even a bit. Also, the animals inside have completely different body structures to fight these changes.</span>
Before and after the patient coughs
❅ Female.
But also remember there is no biological 3rd gender.