Large spherical cells of cyanobacteria that are able to fix atmospheric nitrogen are referred to as ________.
A. microcysts
B. heterocysts
C. oocysts
D. nitrocysts
Answer: B
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a. 2 b. 6 c. 12 d. 36 e. 40
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A) liquid B) viscous C) solid D) fibrous
A young person suffered a head injury that damaged her pituitary. As this person got older, what condition was the only thing that she and her doctors found that was unaffected by the injury?
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