Alcoholic fermentation is the basis for
a. bread baking.
b. beer brewing.
c. ethanol fuel production.
d. all of the above.
b
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Which of the following is not part of the outer ear?
A. oval window B. pinna C. auditory canal D. eardrum
Why is proper ventilation important for a respiring animal?
a. It directly increases gas exchange between the blood and cells. b. It maintains proper O2 and CO2 levels on the external side of the respiratory surface so diffusion across it can be maintained. c. It maintains blood circulation within the body of an animal. d. It maintains proper O2 and CO2 levels on the internal side of the respiratory surface so diffusion across it can be maintained. e. It maintains proper O2 and CO2 levels in tissues.
Where is the double bond in oleic acid (between which carbons)?
a. between carbon atoms 18 and 19 b. between carbon atoms 20 and 21 c. between carbon atoms 24 and 26 d. between carbon atoms 26 and 28
This compound is capable of destroying ozone molecules
a. carbon dioxide b. methane c. water vapor d. chlorofluorocarbon e. nitrous oxide