It occurs without energy input. Passive transporters let something across a membrane "with the gradient" in other words, substances travel from high concentration to low concentration, which is energetically favorable.
Answer: Im pretty sure it's oxygen.
Explanation:
Answer:
Cell theory according to experts. ... schleiden and schwann prove that living cells are not empety rooms, but instead contain cytoplasmic fluids that support all the basic activities of living things. is the smallest structural and functional unit in living things
Answer:
A: Cytokinesis
Explanation:
the cytoplasmic division of a cell at the end of mitosis or meiosis, bringing about the separation into two daughter cells.