A Polyubiquitin Chain Has Been Attached to a Protein

question 1

Multiple Choice

A polyubiquitin chain has been attached to a protein. The ubiquitin molecules are linked together via isopeptide bonds between Lys48 of one molecule and the carboxyl end of the next one. This protein is expected to …

• A) be a part of chromatin.
• B) undergo proteasomal degradation.
• C) be involved in DNA repair.
• D) be targeted to endocytic vesicles.
• E) None of the above.

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Definitions:

Child Abuse

Any action by another person – adult or child – that causes significant harm to a child.

Substance Abuse

The damaging or dangerous utilization of substances that affect mental processes, such as alcohol and illegal drugs.

Confidentiality in Professional Practice

The ethical obligation to keep client or patient information private and to disclose it only with their consent or under legally permitted conditions.