THE CELL
TRANSPORT INTO AND OUT OF THE CELL
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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When a substance moves from an area of low concentration to an area high concentration. This requires an input of energy of the cell. What is the process called?
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active transport
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passive transport
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cellular transport
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Explanation:
Detailed explanation-1: -During active transport, substances move against the concentration gradient, from an area of low concentration to an area of high concentration. This process is “active” because it requires the use of energy (usually in the form of ATP). It is the opposite of passive transport.
Detailed explanation-2: -Diffusion. Diffusion is a passive process of transport. A single substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across the space.
Detailed explanation-3: -In osmosis, water moves from areas of low concentration of solute to areas of high concentration of solute.
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