How would a mutation allowing a heterocyte to synthesize more chlorophyll affect the process of nitrogen fixation?
A. There will be a decrease in the amount of ammonia converted to nitrogen gas.
B. There will be a decrease in the amount of nitrogen gas converted to ammonia.
C. There will be an increase in the amount of ammonia converted to nitrogen gas.
D. There will be an increase in the amount of nitrogen gas converted to ammonia.
E. There will be no effect because photosynthesis and nitrogen fixation are not directly related.
B. There will be a decrease in the amount of nitrogen gas converted to ammonia.
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Trophic-level transfer efficiency averages about
A. 1%. B. 25%. C. 33%. D. 10%. E. 65%.
. The compost pile temperature at which pathogens, but not thermophiles, are killed is about 20-30ºC
Indicate whether this statement is TRUE or FALSE.
Which monohybrid trait was not tested by Mendel during his experiments with the pea plants? a. All of these choices were tested by Mendel
b. Stem length c. Pod texture d. Flower color e. Seed color
The genetic equilibrium of a population can be upset
by all EXCEPT which of the following? a. mutations b. migration c. random mating d. genetic drift e. natural selection