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Unformatted text preview: 2/9/09 1 Viruses Foot and mouth virus The genetic material in an HIV virus particle is: A. Single-stranded RNA B. Double-stranded (i.e. double helix) RNA C. Double-stranded DNA/RNA complex D. Single-stranded DNA E. Double-stranded (i.e., double helix) DNA The genetic material in an HIV virus particle is: A. Single-stranded RNA * B. Double-stranded (i.e. double helix) RNA C. Double-stranded DNA/RNA complex D. Single-stranded DNA E. Double-stranded (i.e., double helix) DNA Defning liFe is diFfcult Viruses seem to straddle the boundary between the quick and the dead life (an online deFnition) Origin: AS. Lf; akin to D. Lijf body, G. Leib body, MHG. Lp life, body, OHG. Lb life, Icel. Lf, life, body, Sw. Lif, Dan. Liv, and E. Live, v. See Live, and cf. Alive. 1. The state of being which begins with generation, birth, or germination, and ends with death; also, the time during which this state continues; that state of an animal or plant in which al or any of its organs are capable of performing al or any of their functions; used of al animal and vegetable organisms. 2. Of human being: The union of the soul and body; also, the duration of their union; sometimes, the deathless quality or existence of the soul; as, man is a creature having an immortal life. "She shows a body rather than a life." (Shak) 3. (Science: philosophy) The potential principle, or force, by which the organs of animals and plants are started and continued in the performance of their several and cooperative functions; the vital force, whether regarded as physical or spiritual. 4. iguratively: The potential or animating principle, also, the period of duration, of anything that is conceived of as resembling a natural organism in structure or functions; as, the life of a state, a machine, or a book; authority is the life of government. 5. A certain way or manner of living with respect to conditions, circumstances, character, conduct, occupation, etc.; hence, human a f airs; also, lives, considered col ectively, as a distinct class or type; 1000 as, low life; a good or evil life; the life of Indians, or of miners. "That which before us lies in considered col ectively, as a distinct class or type; 1000 as, low life; a good or evil life; the life of Indians, or of miners....
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