Explain protein secondary structures

Reference no: EM13258272

Which of the following amino acids has a side chain that carries a negative charge in its conjugate base form? A. H B. W C. C D. K E. N 2. Which of the following amino acids has the most hydrophilic side chain? A. F B. Q C. V D. M E. A 3. Which of the following amino acids has a side chain that can serve ONLY as a hydrogen bond donor but NOT as a hydrogen bond acceptor in its predominant form at pH 7? A. N B. V C. E D. K E. H 4. Which of the following amino acids has the side chain with the highest pKa? A. R B. D C. Y D. C E. H 5. If the side chain of a glutamic acid residue has a pKa of 4.1, at pH 6.1 the ratio of uncharged to charged side chain would be about A. 100:1 B. 10:1 C. 1:1 D. 1:10 E. 1:100 6. The most common protein secondary structures?

A. ionic bonds

B. hydrogen bonds

C. disulfide bonds

D. van der Waals interactions

E. hydrophobic interactions

Reference no: EM13258272

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