The lowest concentration of a drug that prevents growth of a microorganism is the

A. infectious dose.
B. lethal dose.
C. effective dose.
D. minimum inhibitory concentration


D

Biology & Microbiology

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Microbiome sequencing requires the construction of a genomic library, while whole-genome shotgun sequencing does not. 

Answer the following statement true (T) or false (F)

Biology & Microbiology

During which phase will the homologous chromosomes be pulled apart?

a. Telophase I b. Metaphase I c. Anaphase I d. Anaphase II e. Prophase II

Biology & Microbiology

An agent that kills bacteria is referred to as ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Which of the following best reflects what we know about how the flu virus moves between species?

A) The flu virus in a pig is mutated and replicated in alternate arrangements so that humans who eat the pig products can be infected. B) A flu virus from a human epidemic or pandemic infects birds; the birds replicate the virus differently and then pass it back to humans. C) An influenza virus gains new sequences of DNA from another virus, such as a herpesvirus; this enables it to be transmitted to a human host. D) An animal such as a pig is infected with more than one virus, genetic recombination occurs, the new virus mutates, the virus is passed to a new species such as a bird, and the virus mutates again and can now be transmitted to humans.

Biology & Microbiology