Washington Comprehensive Assessment of Science (WCAS) Practice Test

Question: 1 / 400

What is often referred to as the "powerhouse" of the cell?

Cell Membrane

Nucleus

Mitochondria

The "powerhouse" of the cell is commonly referred to as mitochondria because they are the organelles responsible for producing energy in the form of adenosine triphosphate (ATP) through a process called cellular respiration. Mitochondria take in nutrients and convert them into energy, which is vital for the cell's functions and overall metabolism. This energy production is essential for a variety of cellular processes, allowing the cell to perform tasks, grow, and maintain its functions.

Mitochondria contain their own DNA and are involved in additional functions, such as regulating the cell cycle and cell growth. Their role in energy production makes them critical for both plant and animal cells, further cementing the nickname "powerhouse."

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Chloroplast

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