GED Science Practice

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Prepare for the GED Science Exam with our comprehensive quizzes featuring flashcards and multiple-choice questions. Each question includes hints and explanations to help you grasp essential concepts and succeed.

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What does protoplasm refer to in a cell?

The energy storage compartment
The genetic material
The intracellular transport system
The living substance containing cytoplasm and nucleus

The correct answer is: The living substance containing cytoplasm and nucleus

Protoplasm refers to the living substance within a cell, which includes both the cytoplasm and the nucleus. This term highlights the vital components that are necessary for cellular function and life. The cytoplasm is the jelly-like fluid that fills the cell and contains various organelles, enzymes, and molecules essential for cellular activities. The nucleus is the control center of the cell, housing the genetic material (DNA) and playing a crucial role in regulating cell functions and reproduction. Understanding protoplasm is essential for grasping how cells operate and maintain life. It encompasses all the fundamental biological processes that occur within the cellular environment, such as metabolism, growth, and replication. Thus, identifying protoplasm as the living substance that combines both cytoplasm and nucleus accurately reflects its comprehensive role in the overall structure and function of a cell.