Which is the exotoxin of botulism?
A. Botulinum
B. Hemolysin
C. Tetanospasmin
D. Factor V
E. Peroxidase
Answer: A
Biology & Microbiology
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The uptake of water and mineral ions from the soil occurs primarily at the
a. endodermis. b. root cap. c. quiescent center. d. pericycle. e. root hairs.
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Which of the following animals in an arctic ecosystem is considered a carnivore?
a. arctic hare b. vole c. snowy owl d. insects e. bacteria
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transcription ends when RNA polymerase reaches a
What will be an ideal response?
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Which of these hormones is responsible for moving sugar from the bloodstream to cells?
a. ghrelin b. cholecystokinin (CCK) c. leptin d. insulin
Biology & Microbiology