After TmRNA Releases an MRNA and Aberrant Polypeptide from a Stuck

question 29

Multiple Choice

After tmRNA releases an mRNA and aberrant polypeptide from a stuck ribosome,

• A) clpX tags the peptide for destruction.
• B) sspB tags the peptide for destruction.
• C) tmRNA then destroys the peptide.
• D) tmRNA ubiquitinates the peptide.
• E) sspB recognizes a proteolysis tag and delivers the peptide to clpX for degradation.

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Definitions:

Stepping-Stone Method

An iterative technique for moving from an initial feasible solution to an optimal solution in the transportation method.

Fixed Costs

Expenses that do not change with the level of production or sales over a certain period, such as rent, salaries, and insurance.

Transportation Model

A type of optimization model used in logistics that determines the most efficient way to distribute goods from several suppliers to multiple destinations.

Degeneracy

A situation in linear programming where more than one solution can lead to the optimal value, or when small changes to the coefficients greatly affect the solution's outcome.