Which statement describes a characteristic common to both active and passive transport

A. Both move solute molecules against a concentration gradient

B. Both need hormones or activator molecule to move molecules

C. Both require energy to move large molecule

D. Both use protein channels as passageways

D

Explanation:

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.

answer: b: experiments that showed that all cells are similar in how they metabolize and in their composition

explanation:

the answer is a) a shiprock was formed by igneous process