Which type of RNA forms the core of ribosomes along with proteins?

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Study for the Campbell Biology Concepts and Connections Test. Explore flashcards and multiple-choice questions, complete with hints and explanations. Prepare for your success!

Multiple Choice

Which type of RNA forms the core of ribosomes along with proteins?

Explanation:
Ribosomes are ribonucleoprotein machines built around RNA that provides both the structural framework and catalytic function. The RNA component forms the core of the ribosome, folding into the peptidyl transferase center that catalyzes peptide bond formation, while proteins surround and stabilize this core to support proper assembly and function. Other RNAs—mRNA, which carries the genetic code, and tRNA, which delivers amino acids—participate in translation but do not form the ribosome’s central scaffold. DNA is not part of the ribosome.

Ribosomes are ribonucleoprotein machines built around RNA that provides both the structural framework and catalytic function. The RNA component forms the core of the ribosome, folding into the peptidyl transferase center that catalyzes peptide bond formation, while proteins surround and stabilize this core to support proper assembly and function. Other RNAs—mRNA, which carries the genetic code, and tRNA, which delivers amino acids—participate in translation but do not form the ribosome’s central scaffold. DNA is not part of the ribosome.

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