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Angela26kristin Angela26kristin
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6 years ago
Silk fibers consist of ____ proteins consisting of alternating ____ and ____ or ____ residues.
 
  a. fibroin; glycine; proline; leucine
  b. -keratin; alanine; glycine; serine
  c. fibroin; glycine; alanine; threonine
  d. -keratin; cysteine; alanine; proline
  e. fibroin; glycine; alanine; serine
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taylorhovlandtaylorhovland
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6 years ago
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