Discuss biofilms with regard to their formation, unique properties, and significance to the environment and the human body. Explain how a biofilm differs from a typical bacterial colony growing on a nutrient agar medium.
What will be an ideal response?
Biology & Microbiology
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The agarose used in electrophoresis
A. interacts electrically with the DNA. B. chemically binds to the DNA. C. acts as a sieve. D. selectively sorts recombinant DNA from host DNA.
Biology & Microbiology
Adult insects exchange respiratory gases primarily by means of:
a. spiracles only b. tracheal tubes and spiracles c. lungs d. gills e. body surface
Biology & Microbiology
Living organisms are members of all of the levels listed below. However, rocks are components of
a. the community. b. the population. c. the ecosystem only. d. the biosphere only. e. both the ecosystem and the biosphere.
Biology & Microbiology
A pollen grain coat is composed of which of the
following? a. sporopollenin b. cellulose c. peptidoglycan d. exopolysaccharides e. none of these
Biology & Microbiology