Question 1
The target sequence for somatic recombination in generation of immune diversity is what type of arrangement?
◦ A nonamer-intron-heptamer
◦ A heptamer-spacer-heptamer
◦ A heptamer-intron-nonamer
◦ A heptamer-spacer-nonamer
◦ A nonamer-spacer-nonamer
Question 2
Which of the following MHC proteins are required for helper T-cell function?
◦ Class I proteins
◦ Class II proteins
◦ Class III proteins
◦ Both class I and II proteins
◦ Class I, II, and II proteins