From an evolutionary standpoint, which of the following structures is considered the oldest, most primitive division of the brain?
A) forebrain
B) midbrain
C) hindbrain
D) cerebrum
E) corpus callosum
C
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Explain how bioremediation works, using an oil spill as an example
What will be an ideal response?
Fungi that can live only in mycorrhizal association with roots of plants may be placed into phylum
A. Symbiomycota. B. Ascomycota. C. Deuteromycota. D. Rootomycota. E. Glomeromycota.
Intercalated disks are gap junctions between cells of:
a. smooth muscle tissue. b. skeletal muscle tissue. c. cardiac muscle tissue. d. both skeletal and cardiac muscle tissue. e. all forms of muscle tissue.
Radiation therapy for cancer works because a cell's DNA is exposed during mitosis and is most vulnerable to damage from radiation. Because cancer cells are uncontrollably undergoing mitosis, they die when exposed to the treatment. The common side effects of radiation treatment are hair loss and vomiting. What does this imply?
A) Radiation treatment will be ineffective in treating stomach cancer. B) Radiation treatment will be most effective for the treatment of skin and stomach cancers. C) Both skin and stomach cancer will be made worse if treated with radiation. D) Both stomach and skin cells are constantly being replaced. E) Radiation therapy is an ineffective way to treat cancer.