Why do the instructions for the growth of Neisseria gonorrhoeae recommend a CO2-enriched atmosphere?
A. It uses CO2 as a final electron acceptor in respiration.
B. It is an obligate anaerobe.
C. is a capnophile.
D. It fixes CO2 through photosynthesis
Ans: C. is a capnophile.
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Which of the following statements is correct?
A. Global warming is the same as global climate change. B. Global climate change includes changes in patterns of rainfall, but not in patterns of temperature. C. Global climate change includes global warming, but also increased fires, changes habitats, and changes patterns of temperature and rainfall. D. Global climate change has no effects of human populations.
An abnormal passage between two organs or leading from an internal organ to the body surface is known as a:
a. fistula. b. sinus tract. c. necrotizing fascia. d. decubitus.
A zygote is formed ____
a. after a fertilized egg undergoes mitotic divisions to mature b. by the fusion of male and female somatic cells c. by the fusion of egg and sperm nuclei d. directly by meiosis in fungi e. by the mitotic divisions of spores in plants
What would happen if Casparian strips were not present and water and minerals could pass between endodermal cells of the plant root rather than through endodermal cells?
A) An increased concentration gradient of the minerals in the extracellular space of the vascular cylinder would be better maintained. B) Root hairs would lose their ability to take up minerals. C) Minerals would leak back out of the extracellular space of the vascular cylinder as fast as they were pumped into it. D) The minerals would enter the conduction vessels of the vascular cylinder much more rapidly. E) Too much energy would be needed to move the minerals between endodermal cells.