Hereditary information is stored in what molecule?

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Prepare for the Virginia 7th Grade Science SOL Test. Incorporate flashcards and multiple choice questions, each with hints and detailed explanations. Ensure your success on the exam!

Multiple Choice

Hereditary information is stored in what molecule?

Explanation:
Hereditary information is stored in DNA. DNA carries the genes—the units of heredity—through its sequence of nucleotides, which provides the instructions for building and regulating an organism. This genetic code is copied and passed from parents to offspring during reproduction, enabling traits to be inherited. While RNA is involved in reading and carrying out those instructions and some viruses use RNA as their genetic material, the molecule that stores inherited information in most life forms is DNA. Lipids form cell membranes and store energy, and proteins perform many cellular functions, but they are not the primary carriers of genetic information.

Hereditary information is stored in DNA. DNA carries the genes—the units of heredity—through its sequence of nucleotides, which provides the instructions for building and regulating an organism. This genetic code is copied and passed from parents to offspring during reproduction, enabling traits to be inherited. While RNA is involved in reading and carrying out those instructions and some viruses use RNA as their genetic material, the molecule that stores inherited information in most life forms is DNA. Lipids form cell membranes and store energy, and proteins perform many cellular functions, but they are not the primary carriers of genetic information.

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