Which of the following is correct about members of the genus Propionibacterium?
A. They cause acne vulgaris and contribute to the development of body odor.
B. They are typically found growing on the skin and in the digestive tract of animals.
C. They are used in the production of Swiss cheese.
D. All of the choices are correct.
Answer: D
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How does the level of genetic variation in humans typically compare to other species?
A. higher than other species B. lower than other species C. about the same as other species D. not sure because we have been unable to accurately measure genetic variation in humans and other species
The initial symptoms of bacterial meningitis are the same regardless of the causative agent
Indicate whether this statement is TRUE or FALSE.
If a gene has multiple alleles, ____
a. only two alleles of the gene exist in the population b. more than two alleles of the gene are present in any given individual c. more than two alleles of the gene are present in the population d. one or more of the alleles is epistatic to the other(s) e. the alleles must be incompletely dominant
Recombinant Ti plasmids allow for
A) the transfer of a transgene from the plasmid in Agrobacterium to a plant cell. B) transfer of plant DNA to Agrobacterium. C) the transfer of DNA between two Agrobacterium cells. D) the transfer of the plasmid from Agrobacterium to E. coli.