Bacterial Ribosomes

question 75

Multiple Choice

Bacterial ribosomes:

• A) bind tightly to specific regions of DNA, forming polysomes.
• B) contain at least one catalytic RNA molecule (ribozyme).
• C) contain three species of RNA and five different proteins.
• D) have specific, different binding sites for each of the 20 tRNAs.
• E) require puromycin for normal function.

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