A cellular molecular pathway by which an external signal is converted into a functional response is
called ________________. Fill in the blank(s) with the appropriate word(s).
ANS: signal transduction.
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Lymphocytic choriomeningitis (LCM) and Lassa fever are considered which type of virus?
a. Adenovirus b. Papillomavirus c. Picornavirus d. Arenavirus
How can microarrays help us understand cellular functions?
a. Microarrays let us study different cellular structures under different conditions. b. Microarrays let us directly measure protein expression in individual cells. c. Microarrayslet us identify which portions of a genome were being expressed in a cell at a particular time. d. Microarrays let us identify which DNA sequences are present in a particular cell type under certain conditions. e. Microarrays let us identify which portions of a genome serve as regulatory sequences.
The best way to determine paternity is with ________
A) an RFLP analysis of the entire genome B) a PCR of the X chromosome C) a histochemistry workup D) Y-chromosome analysis E) blood cell analysis
Which of the following types of cells does HIV preferentially infect?
A) cytotoxic T cells B) natural killer cells C) helper T cells D) phagocytic cells