When the Ribosome Reaches a Stop Codon on the MRNA

question 22

Multiple Choice

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 would you be able to isolate?

• 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

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Definitions:

Agricultural Products

Items produced through farming and agriculture, including foods, fibers, fuels, and raw materials.

Agricultural Subsidies

Government financial assistance to farmers to supplement their income, stabilize food prices, and ensure a reliable food supply.

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Taxes imposed on imported goods and services, which are typically used by governments to regulate trade and protect domestic industries.

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Refers to the purchase of food, crops, and other agricultural products from foreign countries to meet domestic demand or supply shortages.