Prokaryotic Ribosomes Differ from Those Present in Eukaryotic Cytosol

question 64

Multiple Choice

Prokaryotic ribosomes differ from those present in eukaryotic cytosol. Because of this, which of the following is correct?

• A) Some antibiotics can block protein synthesis in bacteria without effects in the eukaryotic host.
• B) Eukaryotes did not evolve from prokaryotes.
• C) Translation can occur at the same time as transcription in eukaryotes but not in prokaryotes.
• D) Some antibiotics can block the synthesis of peptidoglycan in the walls of bacteria.
• E) Prokaryotes are able to use a much greater variety of molecules as food sources than can eukaryotes.

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Definitions:

Modern Birds

Avian species existing today, characterized by features like feathers, beaks without teeth, and lightweight skeletons.

Phylogeny

The branch of biology that deals with the evolutionary development and diversification of a species or group of organisms.

Derived Homologies

Features shared by descendants of a common ancestor that have undergone evolution to serve new functions.

Synapomorphies

Shared derived characteristics or traits that are used to establish evolutionary relationships among species or groups.