If you were told to use a fluorescent antibody that binds to sodium channels to view the origin of nerve impulses, what area on the neuron would have the greatest antibody fluorescence?
A. trigger zone
B. axon
C. synapse
D. Schwann cell
E. dendrite
A. trigger zone
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The process by which two cells arise from one is known as
A) conjugation. B) binary fission. C) meiosis. D) mitosis.
Which of the following is not a community?
a. the microorganisms living within the soil of your yard b. the life within a pond c. the organisms living within a dead tree in a forest d. the population of western gulls on a beach e. nurse logs which shelter plants and other organisms
Which of the following is one of the technical reasons why gene therapy is problematic?
A) Most cells with an engineered gene do not produce gene product. B) Cells with transferred genes are unlikely to replicate. C) Transferred genes may not have appropriately controlled activity. D) mRNA from transferred genes cannot be translated.
When environmentalist Rachel Carson warned of a "silent spring," she was referring specifically to:
A) the senseless slaughter of migratory birds by hunters. B) the threat posed to birds by widespread application of pesticides. C) the threat posed to insects by widespread application of pesticides. D) the threat posed to amphibians by newly emerging diseases. E) catastrophic drought caused by global climate change.