Which of the following is not a way in which RecA activity is regulated?
A. transcription of the RecA gene
B. autoregulation
C. regulation by binding of other proteins
D. regulation by other proteins that block RecA binding; for example, single-strand binding proteins (SSB)
E. translation of the RecA protein
E
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Immunity that develops as a result of an actual infection is called:
A) artificial active acquired immunity. B) artificial passive acquired immunity. C) natural active acquired immunity. D) natural passive acquired immunity.
A statement such as "If human body temperature increases to a certain level, then critical proteins will be denatured" would most likely be associated with ________
A) inductive reasoning B) deductive reasoning C) a hypothesis D) a conclusion
DNA ligase functions to
A. catalyze the formation of hydrogen bonds between adjacent 5'?P and 3'?OH termini. B. relax supercoiling of DNA. C. add methyl groups to DNA. D. facilitate base pairing between single?stranded molecules of DNA. E. catalyze the formation of covalent bonds between adjacent 5'?P and 3'?OH termini.
The gene p53 is called the ________ because it corrects mutations in the spindle apparatus before nondisjunction can occur
A) M phase checkpoint monitor B) tumor-suppressor monitor C) S phase checkpoint monitor D) guardian of the genome