Which group of organisms is responsible for primary production in a freshwater lake?
A. Phytoplankton
B. Photosynthetic bacteria
C. Moss
D. Submerged plants
E. Aquatic grasses
Answer: A
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Which of the following substances is
hydrophobic?
a. canola oil b. sodium chloride c. sugar d. water e. the potassium ion
A dangerous form of food poisoning is caused
by a. Clostridium botulinum. b. Clostridium tetani. c. Bacillus anthracis. d. Heliobacter pylori. e. Thermus aquaticus.
Organisms that make their own organic compounds from inorganic substances are called
A. animals. B. animorphs. C. heterotrophs. D. autotrophs.
Fermentation is essentially glycolysis plus an extra step in which pyruvate is reduced to form lactate or alcohol and carbon dioxide. This last step __________.
Fill in the blank(s) with the appropriate word(s).