A primary measure of productivity is linked to
A) carbon.
B) nitrogen.
C) oxygen.
D) water.
A
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Today, all biological research is undertaken with the recognition that ____
a. the views of evolution put forth by Charles Darwin are without error b. all forms of life are unique,havingevolved fromindependentancestors c. all living organisms share the same common ancestor d. the products of evolution are easily predicted e. evolution can be ignored unless the research explicitly examines evolutionary processes
When a neuron is at rest, ____
a. the sodium and potassium gated channels are closed b. the sodium gated channels are closed and the potassium gated channels are open c. the sodium gated channels are open and the potassium gated channels are closed d. the sodium and potassium gated channels are open e. the sodium and potassium gated channels may be open or closed depending upon their location in the nervous system
Studies on aneuploidies of the sex chromosomes reveal that
A. the X chromosome is not necessary for survival. B. the Y chromosome is not necessary for survival. C. two copies of the X chromosome are necessary for survival. D. two copies of the Y chromosome are fatal. E. none of these is true.
For the yeast galactose metabolizing gene, GAL1, to be transcribed, the regulatory protein produced by the GAL4 gene binds to
A) RNA polymerase. B) upstream activator sequence G (UASG) region. C) a ribosome. D) the operator sequence. E) the repressor protein.