Which of the Following Proteins Would Be Commonly Ubiquitinated and Thus

question 15

Multiple Choice

Which of the following proteins would be commonly ubiquitinated and thus degraded by the proteasome?

• A) proteins with Met as the N-terminal amino acid
• B) proteins with short sequences rich in Pro, Glu, Ser and Thr
• C) proteins with short sequences rich in Trp, Thr, and Phe
• D) proteins having a C-terminal Cys for the formation of a thioester bond with ubiquitin
• E) none of the above

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Definitions:

Loss-Minimizing

A strategy or condition in which a firm seeks to minimize its losses by operating at a production level where marginal cost equals marginal revenue.

Total Revenue

The total amount of money received by a company for goods sold or services provided during a certain period.

Total Cost

The total expenses involved in creating goods or services, encompassing both constant and fluctuating costs.

Perfectly Competitive Firm

A business that operates in a perfectly competitive market, where it is a price taker due to the presence of many sellers offering homogeneous products.