The two brain hemispheres are connected via what structure?

a. thalamus
b. basal ganglia
c. corpus callosum
d. amygdala


c. corpus callosum

Biology & Microbiology

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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.

Biology & Microbiology

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

Biology & Microbiology

The laboratory procedure for copying selected segments of DNA is 

A. the polymerase chain reaction. B. translation. C. jumping genes. D. a point mutation.

Biology & Microbiology

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

Biology & Microbiology