Dr. Joseph Lister used (alcohols/phenolics/detergents) for surgical antisepsis.
Fill in the blank(s) with the appropriate word(s).
phenolics
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BRCA1 and BRCA2 are considered to be tumor-suppressor genes because _____
A) they prevent infection by tumor viruses that cause cancer B) their normal products participate in repair of DNA damage C) the mutant forms of either one of these prevent breast cancer D) the normal genes make estrogen receptors E) they block penetration of breast cells by chemical carcinogens
Which of the following statements about source isolation is false?
A) Air entering the room is passed through HEPA filters. B) The room is under negative air pressure. C) Source isolation is appropriate for patients with tuberculosis, influenza, or chickenpox. D) Transmission-based precautions will be necessary.
Answer the following questions:
a. Where must protein and peptide hormones bind to receptors? b. Where can steroid hormones can bind to cells?
Inhabitants of oceanic islands resemble forms of the nearest mainland but show some differences. This is an example of
A. biogeography. B. development. C. the fossil record. D. homology. E. convergent evolution.