Louisiana Esthetics State Board Practice Test

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What function does cytoplasm serve in a cell?

It stores energy for the cell
It facilitates communication between cells
It is responsible for growth and reproduction
It protects the cell from external damage

The correct answer is: It is responsible for growth and reproduction

Cytoplasm plays a crucial role in a cell's overall function, including its growth and reproduction. It is the jelly-like substance that fills the interior of a cell, providing a medium where various cellular components—such as organelles—are suspended. This environment is essential for many biochemical reactions that fuel cell activity, promote metabolic processes, and support cell division. Within the cytoplasm, organelles like ribosomes, which are responsible for protein synthesis, and mitochondria, which generate energy, can efficiently operate. Thus, the cytoplasm is integral for facilitating cellular growth and division, making it essential for overall cell function and life. The other functions mentioned, such as energy storage, facilitation of communication, and protection from external damage, are managed by different cellular structures or systems. For instance, energy storage is typically associated with organelles like mitochondria, communication often involves the cell membrane and signaling pathways, and protection is mainly provided by the cell membrane and cytoskeleton.