With diffusion, what happens when the number of molecules on the inside of the cell equals the number of molecules on the outside of the cell? Con la difusión, que sucede cuando el número de moléculas en el interior de la célula es igual al número de moléculas en el exterior de la célula?

Animal bodies (and even plant bodies for that matter) are complex enough that life couldn't exist without enzymes. enzymes are usually large, complex biological catalysts that are expensive to make. enzymes speed up the rate of chemical reactions without being used up during the reaction (they can be reused many times). they are highly specific in the reactions they regulate. knowing what enzymes are and how they function, why does this explain why complex life forms could not exist if there were no enzymes.

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?

Which statement best describes the role of religion and culture in ancient medicine?