OBJECTIVE LIFE SCIENCE
CELL BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which type of transport requires an input of energy?
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Passive Transport
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Osmosis
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Simple Diffusion
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Active 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: -The energy necessary for active transport (against the concentration gradient of the transported substance) to occur comes from adenosine triphosphate (ATP) molecules. Adenosine triphosphate (ATP), energy-carrying molecule found in the cells of all living things.
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