The Surfaces of the Two Ribosomal Subunits That Face One

question 22

Multiple Choice

The surfaces of the two ribosomal subunits that face one another contain the binding sites for the mRNA and incoming tRNAs and are thus of key importance for the function of the ribosomes.The fact that these surfaces consist largely of RNA supports what proposal?

• A)the proposal that primordial ribosomes were composed solely of proteins
• B)the proposal that primordial ribosomes were composed exclusively of RNA
• C)the proposal that primordial ribosomes were composed exclusively of DNA
• D)the proposal that prokaryotes gave rise to eukaryotes
• E)the proposal that endosymbiosis gave rise to eukaryotes

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Definitions:

Union Suppression

Efforts by employers or governments to hinder or prevent the formation and activities of labor unions.

Low Cost

Offering or acquiring goods, services, or resources at a minimal expense, often emphasizing efficiency and economic savings.

Differentiation

The process of distinguishing a product, service, or entity from others to make it more attractive to a particular target market or demographic.

Rawlsian Justice

A theory of justice that emphasizes fairness and equality, positing that a just society will protect the least advantaged members.