Which of the following produces a hallucinogenic toxin?
A. Amanita phalloides
B. Claviceps purpurea
C. Psilocybe cubensis
D. Pseudallescheria
E. Paracoccidioides brasiliensis
Answer: C
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The surface area of a plant's root system is substantially larger than the surface area of its shoot system. The extensive surface area of roots is an adaptation associated with _____
A) contact with soil particles for mineral and water absorption B) the internal structure of the vascular tissue in roots C) the storage of nutrients within the root system D) the release of carbon dioxide generated by photosynthesis
In the Hardy-Weinberg equation, _____________________ represents the dominant allele, while
_____________________ represents the recessive allele. Fill in the blank(s) with the appropriate word(s).
You notice a sign in a public restroom that states "Sanitized for your safety." This means
A. sterilizing chemicals have been used in cleaning. B. antiseptics have been used to clean the area. C. degerming methods only have been used to clean the restroom. D. methods of disinfection that meet minimum standards of microbial removal have been used. E. only "organic" chemicals were used in the cleaning process to reduce microbial numbers.
Eukaryotic cell mRNA transcripts can remain in the cell for hours because they are
A. isolated. B. analogous. C. long. D. stable.