The four eras each represents an equal time of Earth's history.
A. True, the four eras are each roughly the same length of time
B. False, the four eras are vastly different in their durations
Answer: B
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Both ATP and NADPH are required for
A. the Calvin cycle only. B. the light reaction only. C. electron transport through the thylakoid membrane. D. both the light reaction and Calvin cycle. E. neither the light reaction nor the Calvin cycle.
Use the following graph to answer the following question(s).
The cookies with the least amount of fat had more cells around 500 ?m in size than did the cookies with the most amount of fat.
Answer the following statement true (T) or false (F)
The only way to meet the resource needs of
future generations is through
a. sustainable resource use. b. biological magnification. c. creating conservation hotspots. d. clear cutting and mining. e. increasing use of nonrenewable resources
Which of the following is true of the structure
labeled “A”? a. It is composed of tubulin subunits. b. It is composed of actin subunits. c. It is a microtubule. d. It is an intermediate filament. e. It is a major component of muscle cells.