Answer the following questions true (T) or false (F)
1. Biofilms allow microbes to coordinate responses within an environment, making the community much more durable than single free-floating bacteria.
2. Fixation adheres the sample to the slide, so that it is not as easily washed away during the staining process, but does not kill most of the cells in the specimen so that they can be clearly viewed.
3. Simple staining techniques use one dye.
1. TRUE
2. FALSE
3. TRUE
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Housekeeping genes are unmethylated and active in most cells
Indicate whether the statement is true or false
Taxol, a secondary metabolite from the bark of the Pacific yew tree, is used as a treatment for
A. diabetes. B. breast cancer. C. indigestion. D. headaches. E. high blood pressure.
Landfills generally contain
a. all garbage. b. nonbiodegradable wastes. c. nonrecycled solid wastes. d. biohazardous wastes. e. all of these.
Obesity corresponds to a BMI over ____
a. 20 b. 22 c. 25 d. 28 e. 30