In a Ramachandran Diagram the Region Representing the Angles Of \phi

question 48

Multiple Choice

In a Ramachandran diagram the region representing the angles of $\phi$ and $\varPsi$ that correspond to those commonly made by an amino acid that favors a left-handed $\alpha$ helix are different from those angles commonly made by an amino acid that favors right-handed $\alpha$ helix formation.Which of the following statements provides a plausible explanation for this difference?

• A)Groups which would normally undergo high steric hindrance in the right-handed arrangement are separated maximally in the left-handed arrangement.
• B)Left-handed helices have smaller pitch than right-handed helices.
• C)The peptide backbone can coil tighter in the left-handed helices than in the right-handed helices.
• D)Left-handed helices exhibit cyclic symmetry,while righthanded helices are asymmetric.
• E)All of the above are plausible explanations.

Comprehend the flow of costs in manufacturing accounts and the calculation of the cost of goods manufactured and sold.

Recognize the principles of inventory valuation and the implications of different valuation methods.

Understand the use of predetermined overhead rates in costing and the treatment of manufacturing overheads.

Understand the relationship between cost and production levels.

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