Which activity can occur without the use of energy? (1) contraction of muscle tissue (2) protein synthesis in a cell (3) active transport of minerals (4) movement of water across a membrane
Asked by maham237 @ in Biology viewed by 333 People
Answered by maham237 @
Answer;
-Movement of water across a membrane
Explanation;
-Movement of water molecules across a membrane is an example of passive transport . Passive transport involves movement of ions and other atomic or molecular substances across cell membranes without need of energy input.
-Unlike active transport, passive transport does not require an input of cellular energy (ATP). Examples of types of passive transport are osmosis and diffusion.
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