A cloning vector often used to introduce a foreign gene into a bacterium is a(n) ________

a. DNA chip
b. plasmid
c. operon
d. transgenic organism


b

Biology & Microbiology

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If you are interested in observing a relatively simple community structure in a clear water lake, you would do well to choose diving into _____

A) an oligotrophic lake B) a eutrophic lake C) a relatively shallow lake D) a nutrient-rich lake E) a lake with consistently warm temperatures

Biology & Microbiology

The microbiome represents all the genes present in the trillions of microbes living on and in adult humans.

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

Biology & Microbiology

Which of the following is not a virulence factor of Bordetella pertussis?

A. M protein B. Tracheal cytotoxin C. Pertussis toxin D. Filamentous hemagglutinin E. Endotoxin

Biology & Microbiology

The exact elevation at which the treeline occurs depends on the __________ and __________

a. temperature; distance from the sun b. altitude; distance from the sun c. elevation; annual precipitation d. latitude; distance from the ocean e. longitude; distance from the equator

Biology & Microbiology