Since the botulism toxin is a protein and is sensitive to denaturation, botulism food poisoning could be easily prevented by:
a. administration of antibiotics
b. boiling the food prior to consumption
c. prevention of fecal contamination
d. nothing; botox cannot be neutralized
Answer: b. boiling the food prior to consumption
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Organisms that can manufacture their own chemical energy are called ____________.
A. autotrophs B. heterotrophs C. oligotrophs D. chemotrophs
While researching the effects of light on chlorophyll synthesis in sorghum, you find that brief pulses of red light stimulates the synthesis of chlorophyll a and b. This would suggest that chlorophyll synthesis is directed by the Pr form of phytochrome.
Answer the following statement true (T) or false (F)
The compliance of the lung is determined by the elasticity of the lung and
A) airway resistance. B) transpulmonary pressure. C) volume. D) intra-alveolar pressure. E) surface tension.
Which of the following does not describe triglycerides?
A) They contain a 3-carbon glycerol backbone. B) They include three hydrocarbon chains. C) They are typically referred to as "fats" when solid at room temperature. D) They contain four fused carbon rings. E) They are composed primarily of carbon, hydrogen, and oxygen