Translation and Regulation
What is the direct cause of cell death by diphtheria toxin?

Inactivation of a translational elongation factor
Formation of an ion channel in the cell membrane
None of these
Induction of apoptosis

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Translation and Regulation
The role of molecular chaperones is to

facilitate binding of ribosomes to mRNA
degrade newly synthesized polypeptides that contain inaccurate sequences
aid a newly synthesized polypeptide in folding to its proper shape
facilitate binding of RNA polymerase to DNA

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