What is a defective phage?
A.
A virus that has lost some of its genetic material, and therefore cannot infect a new target cell
B.
A virus that has lost some of its genetic material, and therefore cannot replicate within a new target cell
C.
A virus that lacks the ability to replicate independently of its host cell
D.
A virus that cannot attach to its host cell
B
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These biological compounds are non-polar and insoluble in water:
A. proteins B. nucleic acids C. lipids D. carbohydrates
A culture performed on a vaginal specimen collected from a 60-year-old woman would likely grow primarily:
a. group B hemolytic streptococci. b. staphylococci and corynebacteria. c. Enterobacteriaceae, streptococci, staphy-lococci, lactobacilli, and anaerobes. d. G. vaginalis, Prevotella spp., Peptostrep-tococcus spp., and Mobiluncus spp.
The gradualistic model of speciation is supported by many transitional forms.
a. true b. false
Alternation of generations is a means of reproduction by (algae/ciliates/fungi/insects).
Fill in the blank(s) with the appropriate word(s).