A microorganism measures 5 ?m in length. Its length in mm would be
A) 500 mm.
B) 50 mm.
C) 0.5 mm.
D) 0.05 mm.
E) 0.005 mm.
E
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In reviewing historical records and ice core data, researchers noted that atmospheric CO2 levels started to rise as humans began to burn fossil fuels. This is an example of what type of relationship?
A. correlation B. symbioses C. causation D. antagonism E. conduction
Bacteroids are
a. specialized nitrifying bacteria. b. small buds from ammonifying bacteria. c. specialized bacteria that help some plant roots absorb phosphorus. d. enlarged and immobilized nitrogen-fixing bacteria. e. interactions between plant root hairs and bacteria.
With the exception of lipids, plants are capable of producing all the organic molecules they need using water and minerals from the soil and energy stored in the sugar molecules they make through photosynthesis
Indicate whether the statement is true or false
In plants, the process of photosynthesis produces glucose (C6H12O6 ) and oxygen from carbon dioxide and water. Which of the following options about photosynthesis is consistent with this statement?
A) All of the carbon atoms in glucose came from carbon dioxide. B) More atoms are present at the beginning than at the end. C) More carbon dioxide is released from the plant than is absorbed. D) Water is synthesized by the plant from H2 and O2.