1. Because DNA is a highly charged polyanion, its stability to heat denaturation A. does not depend on…

1. Cholesterol is somewhat amphipathic due to A. the single hydroxyl along with the hydrocarbon nature of the…

1. Agarose gel electrophoresis and pulsed field gel electrophoresis may be used to resolve respectively A. 2000 kb…

1. Which of those immunoglobulin classes is mainly found in external secretions? A. Ig A B. Ig D…

1. Lack of reaction to our own human leukocyte antigens (HLAs) is known as? A. autoimmunity B. complement…

1. The conformational changes from the T to the R state is initiated by A. binding of oxygen…

1. During successful purification scheme, this may be expected that the A. specific activity increases B. specific activity…

1. During the unfolding reaction of a helix, breakage of each hydrogen bond requires about 2kJ/mol. This implies…

1. When the amino acid alanine (R-group is CH3) is added to a solution with a pH of 7.3,…

1. Which of the following organic groups are found in naturally occurring amino acids? A. Guanidinium ion B.…