Feedback for Multiple Choice Quiz 33 #2

  1. The different names for the chemically-equivalent grooves in DNA and RNA are useful because they describe the relative dimensions (major & minor) or shape (deep & shallow).
  2. "Glycosidic bond" is the general term referring to any bond made to the C1' position of the sugar.
  3. One has to imagine that water and ions fill all available space in the images (figures in books or Chime displays) of molecular structures.
  4. Another small factlet! The separation (3.4 Å) follows from the thickness of planar aromatic molecules. However, the 26° unwinding was established only after many (painstaking) experimental determinations.
  5. This topic is not part of the for-credit portion of the course, but rapid progress in the areas we study here will force all of us to face these issues even more in the future.
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