Which of the following organisms produces the toxin associated with St. Anthony's Fire (ergotism)?
A. Claviceps purpurea
B. Stachybotrys chartarum
C. Aspergillus nidulans
D. Amanita phalloides
Answer: A
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Natasha has schizophrenia. The probability that her young brother Boris develops schizophrenia too is about ________ times the general worldwide population risk.
A) 2 B) 4 C) 9 D) 12
At the most fundamental of levels, differences in life histories (that is, reproductive strategies) are trade-offs that are based on differences in the ________
A) onset of reproductive maturity B) reproductive sizes of the individuals C) allocation of energy between individuals D) average number of offspring produced over the life span of individuals
Suppose a mutagen is used on an inbred population of mice to establish cell lines, each including a different mutant allele, which can then be tested for function. This technique is known as ________
Fill in the blank(s) with correct word
Which of the following viral types enter animal cells via fusion with the animal cell membrane?
A. non enveloped viruses B. naked viruses C. enveloped viruses D. All of these choices are correct.