Multiple sclerosis is
A) a type IV hypersensitivity disease in which cytotoxic T cells attack the myelin sheath of neurons.
B) a genetic birth defect of the nervous system.
C) a type II hypersensitivity to the myelin of neurons.
D) the formation of antibodies against transplanted tissue.
E) a neurological disease due to the accumulation of immune complexes in nerves.
A
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Transduction is the result of what "mistake" that viruses make during replication?
A. cutting up the bacterial chromosome B. cutting up the viral genome C. transcribing bacterial genes upon excision D. incorporating bacterial genes during excision E. inserting a viral DNA fragment into the bacterial chromosome
The ____ is an accessory system of vessels and organs that helps balance the fluid content of the blood and surrounding
tissues.
a. circulatory system b. non-circulatory system c. accessory vessel system d. lymphatic system e. heart
Compare and contrast the out-of-Africa model and multiregional theories of the origin of modern man. Which theory
is supported by the preponderance of genetic evidence? What type of evidence supports the other theory What will be an ideal response?
Which of the following scientists studied bees and their communications?
A. Wilson B. Tinbergen C. Lorenz D. von Frisch