Feedback for Multiple Choice Quiz 34

  1. TM is a generic term refering to the half-way point of a melting curve.

  2. TM = 81.5 + 0.41* % GC [This assumes that N is large, hence the 675/N term is small]

  3. The major and minor grooves of the B-form DNA helix differ by 10 A° in width.

  4. Hydrogen bonds provide specificity, but not much energy. The interaction between the pi electrons on the bases provides most of the energy.

  5. This is the same value as with protein folding.

  6. These are positively charged amino acids that will have a favourable interaction with the negative charge on the phosphate.

  7. These are amino acids that can donate and receive hydrogen bonds from the major and minor groove of the DNA.

  8. All of these features can be seen on the images presented in the lecture.
  All of the correct answers have a green check mark.
  Incorrect answers have the "red-lit" button next to your choice.