INTRODUCTION
CELL STRUCTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Controls what comes into and out of a cell.
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Cell Membrane
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Cell Wall
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Cytoplasm
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Vacuoles
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Explanation:
Detailed explanation-1: -Plasma membrane controls the flow of substances in and out of cell.
Detailed explanation-2: -Specialized proteins in the cell membrane regulate the concentration of specific molecules inside the cell. Membrane transport proteins are specific and selective for the molecules they move, and they often use energy to catalyze passage.
Detailed explanation-3: -Cholesterol, a major component of animal plasma membranes, regulates the fluidity of the overall membrane, meaning that cholesterol controls the amount of movement of the various cell membrane components based on its concentrations.
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