What is a ribosome made of?

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Multiple Choice

What is a ribosome made of?

Explanation:
Ribosomes are ribonucleoprotein machines built from RNA and proteins. Each ribosome has RNA molecules (ribosomal RNA) interwoven with many ribosomal proteins; the RNA provides the core scaffold and the catalytic activity needed to form peptide bonds, while the proteins help assemble the complex and stabilize its structure. Because of this combination, the description that mentions both RNA and proteins—specifically ribosomal RNA and the associated proteins—is the accurate one. The other options mix in lipids or carbohydrates, which are not components of ribosomes, or claim only proteins, which omits the essential RNA part that enables function.

Ribosomes are ribonucleoprotein machines built from RNA and proteins. Each ribosome has RNA molecules (ribosomal RNA) interwoven with many ribosomal proteins; the RNA provides the core scaffold and the catalytic activity needed to form peptide bonds, while the proteins help assemble the complex and stabilize its structure. Because of this combination, the description that mentions both RNA and proteins—specifically ribosomal RNA and the associated proteins—is the accurate one. The other options mix in lipids or carbohydrates, which are not components of ribosomes, or claim only proteins, which omits the essential RNA part that enables function.

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