Which organelle houses the cell’s DNA?

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Prepare for the HESI Introduction to Allied Health Test. Utilize flashcards and multiple choice questions, complete with hints and explanations, to ensure exam readiness!

Multiple Choice

Which organelle houses the cell’s DNA?

Explanation:
DNA is stored in the nucleus, which acts as the command center of the cell and houses the chromosomes that carry the genetic instructions. The nucleus is a membrane-bound compartment that protects DNA and regulates access for transcription. While mitochondria contain their own small amount of DNA, this mitochondrial DNA represents only a subset of genes and is separate from the cell’s main genome. The cytoplasm is where many metabolic activities occur, and ribosomes build proteins using RNA, but neither houses the cell’s DNA. So the organelle that houses the cell's DNA is the nucleus.

DNA is stored in the nucleus, which acts as the command center of the cell and houses the chromosomes that carry the genetic instructions. The nucleus is a membrane-bound compartment that protects DNA and regulates access for transcription. While mitochondria contain their own small amount of DNA, this mitochondrial DNA represents only a subset of genes and is separate from the cell’s main genome. The cytoplasm is where many metabolic activities occur, and ribosomes build proteins using RNA, but neither houses the cell’s DNA. So the organelle that houses the cell's DNA is the nucleus.

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