The cell's energy is produced by the ___.
What will be an ideal response?
mitochondria
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Both walnut and Gingko trees lose their leaves in the fall when day length starts decreasing. Based on these observations one may conclude that many tree species will lose their leaves in the fall in response to decreasing day length. This statement is an example of:
A. inductive reasoning B. a theory C. deductive reasoning D. an experiment
What happens to pyruvate during the process of fermentation?
A. It is oxidized to ethanol. B. It is reduced to ethanol. C. It is converted to acetyl Co-A. D. It is oxidized to lactic acid. E. It gets converted to pyruvic acid.
Bacteria cause all of the following human diseases except
A. cholera. B. diphtheria. C. tuberculosis. D. tetanus. E. malaria.
In lakes, the open-water surface layer is called the ____
a. benthic zone b. abyssal zone c. limnetic zone d. littoral zone e. profundal zone