Active transport move particles in and out of the cell a. against the concentration gradient b. with the concentration gradient c. only at concentration equilibrium d. at any time, concentration doesn’t affect active transport

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

What volume of a 0.25 m solution can be made using 0.55 moles of ca(oh)2

Anybody who knows ap biology, can you friend or message me