At the start of both experiments, the bacteria were
a. evenly distributed throughout the chamber.
b. clustered on the algal filament.
c. clumped along certain areas of the algal filament.
d. actively avoiding the algal filament.
a
Biology & Microbiology
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a. Pseudogymnascus destructans b. Botrytis cinerea c. Claviceps purpurea d. Histoplasma capsulatum
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Most radiolaria have an internal skeleton made of ________.
A. microtubules B. cellulose C. glycoproteins D. siliceous material
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Which excretory system contains structures called flame bulbs that function in filtration?
a. metanephridia b. protonephridia c. Malpighian tubules d. kidneys e. nephrons
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Frederick Griffith discovered
A. transformation. B. transposons. C. the lac operon. D. DNA. E. conjugation.
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