The bacterium Neisseria gonorrhoeae causes the sexually-transmitted infection gonorrhea. Although it can be isolated from the vagina, there are numerous normal biota in that location as well. To generate a pure culture of this pathogenic bacterium, the best choice is a(n) ________.
A. selective medium
B. enrichment medium
C. differential medium
D. liquid medium
Answer: A
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The purpose of the sex pilus is to:
a. form a cytoplasmic bridge and conjugate. b. form a gap junction and conjugate. c. facilitate cytoplasmic exchange. d. allow bacteriophage infection. e. lyse the cell.
In covalent bonds, ____
a. atoms share electrons b. atoms give up electrons c. atoms accept electrons d. electrons cannot be shared equally e. electrons are always shared equally
The taxonomic category that includes species of apes, humans, and their ancestors is the ___________
A. hominids D. hominanies B. hominins E. homanities C. hominoids
Hemizygosity is the term used to describe the state of a gene that has no allele on the opposing chromosome
Indicate whether the statement is true or false