Question: What proportion of insulin and C-peptide synthesize the beta cells of the islets of Langerhans? 
 Options:  <1> One molecule of insulin per C peptide <2> Two molecules of insulin for each peptide C. <3> One molecule of insulin for every two peptides C. <4> Peptide C is synthesized in C cells <5> There is a variable proportion between the synthesis of insulin and that of peptide C.
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