Florida Biology EOC Practice Test

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Prepare for the Florida Biology EOC Test. Utilize interactive flashcards and challenging multiple choice questions with detailed explanations and insights. Gear up for success!

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Which of the following best describes the cytoplasm?

Center of the cell that contains most genetic information
Fluid that fills the cell and surrounds organelles
Selective barrier for the cell
Site of protein synthesis

The correct answer is: Fluid that fills the cell and surrounds organelles

The correct choice accurately describes the cytoplasm as the fluid-like substance that fills the interior of the cell, providing a medium in which various cellular components, including organelles, can be suspended and interact. The cytoplasm contains water, salts, and organic molecules that are vital for cellular processes, making it essential for maintaining cell structure and facilitating biochemical reactions. This description captures both the physical state of the cytoplasm and its functional role within the cell. While other choices reference important cellular structures and functions—such as the nucleus housing genetic information, the cell membrane acting as a selective barrier, and the ribosomes being the site of protein synthesis—they do not specifically define what the cytoplasm is. The cytoplasm includes the cytosol (the fluid part) and the organelles (excluding the nucleus), making the second option the most comprehensive description of the cytoplasm itself.