Which of the following terms is synonymous with photosynthetic organisms?
a. primary producer and autotroph
b. primary consumer and autotroph
c. primary producer and heterotroph
d. primary consumer and heterotroph
e. primary producer and saprotroph
A
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Two reasons for two selectable markers in a YAC vector are:
A. to insure the EcoRI digest is complete. B. to insure the desired recombinant construct has telomeres on both ends. C. to contribute to the centromere structure. D. to increase transformation efficiency. E. to eliminate the possibility of screening unstable recombinants.
Carbon is introduced into the atmosphere by
all EXCEPT which of the following means? a. respiration b. diffusion c. burning of fossil fuels d. wind erosion of rocks e. tilling of soil
Some of the enzymes stored in peroxisomes are used to break down
A) a cell when it becomes damaged. B) bacteria and viruses. C) faulty proteins produced by the cell. D) the plasma membrane. E) hydrogen peroxide.
All the following are events of early inflammation, except
A. exudate and pus can accumulate. B. brief vasoconstriction is followed by vasodilation. C. macrophages appear first and begin phagocytosis. D. chemical mediators and cytokines are released. E. capillaries become more permeable resulting in edema.