Which of the following fungi causes Valley fever in semi-arid regions of North American?
A. Cryptococcus neoformans
B. Histoplasma capsulatum
C. Coccidioides immitis
D. Blastomyces dermatitidis
Answer: C
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What would happen if activation energy barriers didn't exist?
A) Substrates would not bind properly to enzymes. B) Chemical reactions in the body would never occur. C) Coenzymes would not work, but enzyme function would not be affected. D) All chemical reactions in the body would proceed whether they were needed or not.
Which BMI range has the lowest relative risk of death?
A) 18-24.99 (normal weight) B) 25-29.99 (overweight) C) 30-34.99 (moderate obesity) D) 35 and above (severe obesity)
If two species of birds occur in the same area but occupy different habitats they do not mate. This is an example of
A. mechanical isolation. B. ecological isolation. C. temporal isolation. D. behavioral isolation.
Consider the following two half reactions:NAD+ + H+ + 2e? ? NADH Eo (volts) = ? 0.32Pyruvate? + 2H+ + 2e? ? lactate 2? Eo(volts) = ? 0.19In a redox reaction involving NAD/NADH and pyruvate, ________ will be the electron donor and ________ will be the electron acceptor.
A. NAD+; pyruvate B. lactate; pyruvate C. NADH; pyruvate D. pyrvuate; lactate