Gram-negative diplococci are isolated from a genital specimen and yield the following results: • Glucose: positive • Maltose: negative • Lactose: negative The organism can be identified as:
a. N. gonorrhoeae.
b. Neisseria meningitidis.
c. Neisseria lactamica.
d. M. catarrhalis.
A
N. gonorrhoeae is glucose-positive but maltose- and lactose-negative. N. meningitidis is glucose- and maltose-positive and lactose-negative, and N. lactamica is positive for glucose, maltose, and lactose. M. catarrhalis is negative for all three.
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A. haploid. B. trisomic. C. bisomic. D. monosomic. E. monoploid.
Fungal mycelia _____.
A. have a small surface area to prevent water loss B. are found almost exclusively in dry areas C. are found almost exclusively in aquatic environments D. have a large surface area composed of branching hyphae
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A) 44 pairs B) 22 pairs C) 24 pairs D) 46 pairs E) 23 pairs
The type of reproductive isolation in which the two populations are separated due to their habitat is
A. mechanical isolation. B. behavioral isolation. C. hybrid inviability. D. temporal isolation. E. ecological isolation.