A process that requires cellular energy to move a substance against its concentration gradient is called:Question 16Select one:a.active transport.b.passive transportc.facilitated transport.d.osmosis.e.diffusion.
Question
A process that requires cellular energy to move a substance against its concentration gradient is called:Question 16Select one:a.active transport.b.passive transportc.facilitated transport.d.osmosis.e.diffusion.
Solution
The correct answer is a. active transport. This process uses cellular energy to move a substance against its concentration gradient, meaning it moves from an area of low concentration to an area of high concentration. This is different from passive transport, facilitated transport, osmosis, and diffusion, which all move substances from areas of high concentration to areas of low concentration without the use of energy.
Similar Questions
The movement of substances from lower to higher concentration across a semi-permeable membrane that must have a specific protein carrier and use energy is called: A. facilitated diffusion. B. diffusion. C. active transport. D. osmosis. E. endocytosis.
The movement of a substance across a cell membrane against its concentration or electrochemical gradient.Group of answer choicesfacilitated diffusionactive transportosmosispassive transportdiffusion
The force driving simple diffusion is a concentration gradient, while the energy source for active transport is ATP hydrolysis.Group of answer choicesFalseTrue
Energy required for active transport because it moves solutes against their concentration gradient.Group of answer choicesFalseTrue
How do molecules move that are facilitated by active transport?lower concentration to higher concentrationthrough the cell membranehigher concentration to lower concentration
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