Which of the Following Statements Regarding the Ubiquitin-Proteosome Pathway Is

question 62

Multiple Choice

Which of the following statements regarding the ubiquitin-proteosome pathway is false?

• A)This pathway is used to regulate expression of a number of cell surface receptors.
• B)When proteins are destroyed by the proteosome,the ubiquitin moiety is not destroyed,but rather cleaved off and reused.
• C)Ubiquitin ligase adds ubiquitin residues to targeted proteins in a stepwise fashion.
• D)Ubiquitination of a targeted protein requires only one molecule of ATP.

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Definitions:

Frequency

The number of occurrences of a repeating event per unit of time, or in psychology, often refers to the rate of particular behaviors or symptoms.

Pitch

The perceived frequency of a sound or note, often determining its highness or lowness.

Loudness

The perception of the intensity of sound, typically measured in decibels, affecting how loud or soft we perceive a sound to be.

Cochlea

A spiral-shaped cavity of the inner ear that plays a key role in the sense of hearing by converting sound vibrations into neural signals.