Infection with ________ usually produces acute upper respiratory disease but may cause meningitis in infants 3-18 months old.
A. Klebsiella pneumoniae
B. Francisella tularensis
C. Coxiella burnetii
D. Haemophilus influenzae
E. Hafnia species
Answer: D
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All of the reactions of cellular respiration that occur after glycolysis take place in what part of the eukaryotic cell?
A. The chloroplast B. The nucleus C. The mitochondria D. The plasma membrane E. The cytoplasm
In a freshwater pond, a green alga is likely to be
A) colonial. B) filamentous. C) unicellular. D) colonial, filamentous, multicellular, or unicellular.
An early marine biology expedition to the North Pole was led by:
a. Sir Alistair Hardy. b. Alexander Agassiz. c. Fridtjof Nanson. d. Charles Wyville Thomson. e. Robert Peary.
Environmental cues that influence the timing of reproduction generally do so by _____
A) increasing the body temperature B) providing access to water for external fertilization C) increasing ambient temperature most favorable for sex D) direct effects on hormonal control mechanisms