Multiple sclerosis is an autoimmune disease in which the immune system attacks and destroys ____, resulting in ____
a. dendrites; activation of acetylcholine
b. axon terminals; euphoria
c. receptors for neurotransmitters; the blocking of neurotransmitter reuptake
d. myelin sheaths; impaired coordination
e. cell body membranes; memory loss
ANSWER: d
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The difference between a subspecies and biotype is:
a. a subspecies has the same genetic makeup. b. a subspecies has a differential expression of the same genes. c. a subspecies is genetically different than the type species. d. a biotype and subspecies are the same.
Describe how testicular function is controlled by the hypothalamus and anterior pituitary. What will be an ideal response?
The release of ________ during a type I hypersensitivity reaction contributes to swelling
A) histamine B) prostaglandins C) leukotrienes D) both histamines and leukotrienes E) both proteases and prostaglandins
Which of the following statements accurately reflects the differences between Batesian mimicry and Müllerian mimicry?
A. Batesian mimicry does not differ from Müllerian mimicry. Two different scientists discovered these two types at the same time, and they disagreed on what to call it. B. Batesian mimicry differs from Müllerian mimicry in that they occur on different continents-Batesian on the North American and Müllerian on the European. C. In Batesian mimicry the model must be more dangerous than the mimic; in Müllerian mimicry they are both dangerous. D. Batesian mimicry involves invertebrates; Müllerian mimicry involves vertebrates. E. In Batesian mimicry the model must behave differently than the mimic; in Müllerian mimicry they behave the same.