Which of the following is NOT known to be influenced by plant hormones?
a. patterns of plant growth
b. plant cell metabolism
c. plant gene expression
d. plant growth responses to light
e. plant extinction rates
E
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An abnormal increase in the number of normal cells in the tissues, organs or cells.
A. Anaplasia B. Hypoplasia C. Hyperplasia D. Dysplasia E. None of the above.
You've just isolated a new bacterium in pure culture, and you culture it on a general purpose medium where its cells have a rod-shape (bacillus) morphology. In addition to culturing it on solid media, you inoculate a slide to grow it as a biofilm. When you use confocal microscopy to image the biofilm, you observe that there are several cellular morphologies, ranging from coccus to coccobacillus to long bacillus. The best explanation for this observation is that
A. the confocal microscope is out of adjustment. B. the biofilm is no longer a pure culture of the microbe. C. the biofilm culture was not incubated under the appropriate conditions. D. the microenvironments within a biofilm promote structural variation.
An animal interrupting its daily pattern of activity to travel in a persistent manner toward a new habitat is known as
A. taxis. B. kinesis. C. migration. D. habituation. E. imprinting.
What is the correct sequence for a Gram stain?
A. crystal Violet, Safranin, Alcohol, Gram's iodine B. safranin, Crystal Violet, Gram's iodine, Alcohol C. alcohol, Crystal Violet, Safranin, Gram's iodine D. Gram's iodine, Crystal Violet, Alcohol, Safranin E. crystal Violet, Gram's iodine, Alcohol, Safranin