The two brain hemispheres are connected via what structure?
a. thalamus
b. basal ganglia
c. corpus callosum
d. amygdala
c. corpus callosum
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Which of the following is not a part of the type II topoisomerase mechanism?
A. The enzyme breaks two strands, each one forming an enzyme-linked intermediate through tyrosines in the active site. B. The double-stranded segment of DNA that passes through the break is released through the C-gate. C. ATP binding and hydrolysis are required for creating the double-stranded break. D. ATP hydrolysis is coupled to the passage of the unbroken double-stranded DNA segment through the break. E. The religated strand stays associated with the topoisomerase as it resets for another round of catalysis.
In the pelagic province of the open ocean ________ and ________ are the primary producers
a. algae, bacteria b. fungi, bacteria c. corals, algae d. corals, bacteria e. sea grasses, algae
The laboratory procedure for copying selected segments of DNA is
A. the polymerase chain reaction. B. translation. C. jumping genes. D. a point mutation.
When a species invades a new habitat and evolves rapidly into several new species to better exploit new resources, what has occurred?
A) Polyploidy B) Adaptive radiation C) Hybridization D) Genetic divergence E) Extinction