A security guard of an apartment allows only the residents, relatives and staff members to enter inside the building. Which cellular component's function is analogous (similar) to the scenario stated above?
A
Organelles
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B
Cytoplasm
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C
Cell membrane
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D
Nucleus
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Solution
The correct option is C Cell membrane The function of security guard is to allow only specific people to enter and exit the building. Likewise in a cell, the cell membrane allows selective transport of substances in and and out of the cell.