Translation and Regulation
The role of molecular chaperones is to

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

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Translation and Regulation
The ribosome binding site

is located upstream of the promoter sequence
forms a stem-loop structure in the RNA
is located immediately upstream of the start codon
is more likely to be associated with an operon than with a gene encoding a single protein

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