The Secondary Structure and Amino Acid Composition of Proteins from Hyperthermophiles

question 5

Multiple Choice

The secondary structure and amino acid composition of proteins from hyperthermophiles differ somewhat from proteins in mesophiles.What would you expect to find in thermophiles?

• A) More β-sheets and the amino acids tyrosine and arginine.
• B) More α-helices and the amino acids tyrosine and arginine.
• C) More β-sheets and the amino acids cysteine and serine.
• D) More β-sheets and the amino acids glycine and glutamate.
• E) More α-helices and the amino acids cysteine and serine.

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