Sporophylls can be found in which of the following?
A) mosses
B) liverworts
C) hornworts
D) pterophytes
E) charophytes
Answer: D) pterophytes
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A 76-year-old man with intermittent fevers has blood cultures drawn three times. The second set is positive and grew out of a Corynebacterium spp. This organism is considered:
a. pathogenic. b. virulent. c. a contaminant. d. normal flora.
A tropical biome with grasses as primary producers and scattered trees adapted to prolonged dry spells is known as a:
a. warm desert b. savanna c. tundra d. taiga e. chaparral
The cellular basis for bacterial resistance to antimicrobics include
A. synthesis of enzymes that alter drug structure. B. prevention of drug entry into the cell. C. alteration of drug receptors on cell targets. D. bacterial chromosomal mutations. E. All of these choices are correct.
Which of the following statements about fungi is FALSE?
A. fungi are eukaryotes. B. molds are multicellular. C. fungi have a cell wall. D. fungi are photosynthetic. E. yeasts are unicellular.