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

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

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Translation and Regulation
The role of molecular chaperones is to

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

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