The United Nations estimates that by 2050, the world's population may reach over ________ billion and still be growing
A) 7 B) 12 C) 9 D) 15 E) 20
C
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Which of the following statements regarding HSV-2 (genital herpes) is incorrect?
A. It can also infect oral mucosa. B. Virus is shed from active lesions only. C. It can be reactivated by bacterial infections. D. It can become latent in the sacral ganglion.
Which of the following statements regarding transcription is FALSE?
a. Transcription starts at the DNA template corresponding to the 5? end of the mRNA. b. Transcription starts at the DNA template corresponding to the 3? end of the mRNA. c. Transcription starts at the 3? end of the template DNA. d. Transcription happens in the 3? to 5? direction of the template DNA e. Transcription occurs in the 5? to 3? direction of the RNA.
Which statement is true about speciation on island archipelagos?
A. Species clusters are less common. B. Speciation by polyploidy is most common. C. Ecological competition may cause new species to go extinct slowing speciation. D. Speciation is slow because it depends on emigration from the mainland. E. Most speciation occurs allopatrically.
A bacterial culture that grows only near the surface of a thioglycolate broth is an example of what type of organism?
A. Obligate aerobes B. Aerotolerant anaerobe C. Facultative anaerobes D. Obligate anaerobes