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butalik [34]
3 years ago
14

Which of these proteins in mammals show only primary and secondary structures? A.)oxytocin. B.)keratin. C.)hemoglobin

Biology
1 answer:
xz_007 [3.2K]3 years ago
6 0
I think the correct answer from the choices listed above is option B. Keratin is the protein in mammals which shows only a primary and secondary structure. Keratin is a fibrous protein forming the structural constituent of hair, feathers, hoofs, claws and many others.
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<span>The correct answer is B.exocrine glands.
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