For each of the following sentences, fill in the blanks with the best and most
appropriate word or phrase selected from the list below. Not all words or phrases will be used but each word or phrase could be used more than once. (6 pts)
In proteins, α helices and β sheets are both examples of protein [ Select ] structure. A protein such as hemoglobin, which is composed of more than one polypeptide chain, exhibits [ Select ] structure. A protein exhibiting only primary level structure is typically [ Select ].
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Answer 2:
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Answer 3:
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