When the ribosome reaches a stop codon on the mrna, no corresponding trna enters the a site. if the translation reaction were to be experimentally stopped at this point, which of the following sets of structures would you be able to isolate from the cell?

The options are:

A) an assembled ribosome with a polypeptide attached to the tRNA in the P site

B) separated ribosomal subunits, a polypeptide, and free tRNA

C) an assembled ribosome with a separated polypeptide

D) separated ribosomal subunits with a polypeptide attached to the tRNA

E) a cell with fewer ribosomes

The correct answer is A) an assembled ribosome with a polypeptide attached to the tRNA in the P site.

Explanation:

There are three sites in a ribosome E, P, and A. From A site aminoacyl tRNA enters the ribosome. When this tRNA shifts to P site the amino acids which were attached to the tRNA that was at P place shifts to a new tRNA molecule that replaced the old one.

The old deacylated tRNA leaves the mRNA-ribosome complex from E- site. So when translation reaction was to be experimentally stopped and there is no corresponding tRNA enters the A site then only an assembled ribosome with polypeptide chain attached to tRNA in P site can isolate from the cell because no tRNA is present at E and A site.

you did not attach the discourse, but i assume it to be the discourse on the origin and basis of inequality among men (the original titile in french is: "discours sur l'origine et les fondements de l'inégalité parmi les hommes"), also know as "second discourse". in this discourse, jean-jacques rousseau emphasizes that private property is the basis of all inequalities.

therefore, what enabled the old regime to maintain as long as it did was private property.

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