What percentage survived after treatment B?
a. 30 percent
b. 50 percent
c. 70 percent
d. 75 percent
C
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One result of the oxidation of reduced sulfur compounds is a rise in the pH of the medium
Indicate whether the statement is true or false.
Which of the following Mycoplasma species is associated with individuals who are positive for human immunodeficiency virus (HIV), is capable of invading human cells, and can modulate the immune system?
a. M. pneumoniae b. M. genitalium c. M. hominis d. Mycoplasma fermentans
Which of the following is most likely to occur if a parasite accidentally introduced into the Great
Lakes kills 95% of all living organisms living in the lakes? a. hybridization b. mass extinction of the surviving organisms c. allopatric speciation in the surviving organisms d. adaptive radiation of the surviving populations e. evolution of surviving organism
What would you expect to happen if the anaphase-promoting complex/cyclosome (APC/C) failed to ubiquitinate securin?
A. The cohesin complex will persist, preventing the cell from entering anaphase. B. Securin will remain intact and therefore will degrade cohesin, allowing the cell to enter anaphase. C. The cohesin complex will be destroyed, and the cell will remain in metaphase. D. Separase will be marked for degradation by securin, preventing the cell from entering anaphase.