At which point in the variable segments does the RAG-1/2 complex introduce a single-strand break into the DNA during somatic rearrangement?
A. Between the coding region and the conserved heptamer
B. Between the conserved heptamer and the 12-bp spacer
C. Between the 23-bp spacer and the conserved nonamer
D. Between the nonamer and 12-bp spacer
E. None of the above
A
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Which medication is used to treat febrile convulsions in children?
a. Dilantin c. Zarontin b. Depakote d. Phenobarbital
Injuries to elementary students most commonly occur
A. in bathrooms. B. on playgrounds. C. in classrooms. D. in hallways and stairs.
Explain why developing effective exercise prescriptions is both a "science" and an "art."
Which of the following is/are true statement(s) regarding the law of gravitation?
A. The law of gravitation ceases to exist outside the earth's atmosphere. B. All bodies are attracted to one another with a force proportional to the product of their masses. C. All bodies are attracted to one another with a force inversely proportional to the square of the distance between them. D. Both all bodies are attracted to one another with a force proportional to the product of their masses and all bodies are attracted to one another with a force inversely proportional to the square of the distance between them. E. All of these answers are correct.