Which statement is true of both active transport and passive transport? active transport requires proteins and energy, passive transport only requires energy. both require atp. active transport requires proteins and energy, passive transport does not require either. both move materials down a concentration gradient.

The answer is D, both move materials down a concentration gradient. The other answers are incorrect because passive transport does not require energy (ATP), but does use proteins.

lysosome is this part of the cell is surrounded by a very thick outer membrane to protect the rest of the cell from its strong enzymes.

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