Answer the following questions true (T) or false (F)
1. Joseph Lister reduced the incidence of wound infections in health care settings by using chlorinated lime water.
2. Robert Koch sought a "magic bullet" for the treatment of disease caused by bacteria.
3. Enzymes are required for fermentation.
1. FALSE
2. FALSE
3. TRUE
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The level of specific mRNA, and therefore the expression of a given gene in a particular ecosystem, can be evaluated in the environment using in situ reverse transcriptase (ISRT)-FISH.
Answer the following statement true (T) or false (F)
Only yeast produce alcohol as a fermentation product.
Answer the following statement true (T) or false (F)
In the United States, solid municipal waste can no longer be dumped ____.
A. in garbage dumps B. in biodegradable bags C. in garbage bags D. in landfills E. in the sea
T cells that undergo positive and negative selection ensure that
a. mature T cells only react strongly with foreign antigens. b. mature T cells react with foreign and self antigens. c. mature T cells react strongly with foreign antigens or do not react at all. d. mature T cells react strongly with self antigens.