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Question Completion Status: E. 10000 U/mg QUESTION 47 In a portion of polypeptide shown below, which bond is described by o rotation? а b NH; —COO e ОА, а B. b с. с OD.d o E. Both ‘a’ and ‘e’ Click Save and Submit to save and submit. Click Save All Answers to save all answers. D. Dan E. Emily QUESTION 49 Which of the following statements does NOT apply to the K value in the equation for the oxygen binding curve of myoglobin? It is numerically equal to p50. A. It is defined as that oxygen partial pressure at which half of the oxygen binding sites are occupied. B. If Y> K, then myoglobin is less than 50% saturated with oxygen. D. It is a measure of the affinity of myoglobin for oxygen. E. It is the value of pO2 at which Y = 0.5. QUESTION 50 Th. Dobfant rolstadt QUESTION 43 Which one of the following characteristics is true for the a-helix? It is right-handed A. B. A hydrogen bond forms between the -NH group of the nth amino acid residue and the carbonyl oxygen of the (n + 4)th amino acid residue. C. There are 3 amino acids per turn. D. Proline is typically found found in the a-helix. E. There is a requirement for glycine every third amino acid residue. QUESTION 44 The graphs below show O2-binding curves of several proteins including myoglobin (Mb) and hemoglobin (Hb). If curve 3 (—) represents O2 binding behavior of maternal hemoglobin, which curve represents the binding behavior of fetal hemoglobin? 1.04 1 23 5 YO₂ Click Save and Submit to save and submit. Click Save All Answers to save all answers. QUESTION 44 The graphs below show O2-binding curves of several proteins including myoglobin (Mb) and hemoglobin (Hb). If curve 3 (—) represents O2 binding behavior of maternal hemoglobin, which curve represents the binding behavior of fetal hemoglobin? 1.01 2 3 4 5 YO₂ 0.5% 0.0 pOz(torr) A. 1 B. 2 C. 3 D.4 E. 5 Click Save and Submit to save and submit. Click Save All Answers to save all answers.
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