Ace the MCAS Biology Challenge 2025 – Dive Into a Future of Scientific Success!

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Question: 1 / 400

Which biomolecule serves as the genetic blueprint for an organism?

Proteins

DNA

The correct choice is DNA because it contains the instructions necessary for the development, functioning, growth, and reproduction of all known organisms. DNA, or deoxyribonucleic acid, carries the genetic information in its sequence of nucleotides, which are organized into genes. Each gene serves as a specific set of instructions for synthesizing proteins, which are essential for carrying out various biological functions.

While proteins are vital for cellular structure and function, they are products of the genetic instructions encoded in DNA rather than serving as the blueprint themselves. Carbohydrates and fats, although they play crucial roles in energy storage and providing structural components to cells, do not contain genetic information. Therefore, DNA is designated as the genetic blueprint for an organism, guiding the process of heredity and determining traits passed from one generation to the next.

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Carbohydrates

Fats

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