Which trophic level would be best represented by saprophytic fungi?
a. decomposer
b. detritivore
c. primary consumer
d. primary producer
e. secondary consumer
ANSWER: a
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Cells taken from a tumor
A. may be used to grow viruses. B. can be cultivated in vitro indefinitely. C. may be used to grow bacteriophages. D. divide 50 times and then die. E. may be used to grow viruses AND can be cultivated in vitro indefinitely.
In the reaction, 6CO2 + 6H2O ?C6H12O6 + 6O2, which side should energy be placed on?
A. The left side, this is an exergonic reaction. B. The right side, this is an endergonic reaction. C. Neither side, the reaction is in equilibrium. D. The left side, this is an endergonic reaction. E. The right side, this is an exergonic reaction.
If a cell has a large quantity of rough ER, what does this suggest about the activity of that cell?
a. The cell stores fats. b. The cell is dying. c. The cell serves a protective function. d. The cell produces a lot of protein.
DNA microarrays (gene chips) are only capable of monitoring the expression of one gene at a time.
Answer the following statement true (T) or false (F)