In multiple sclerosis, a victim:a
loses coordination due to the replacement of myelin with scar tissue.
b. accumulates neurofibrillary tangles in the brain resulting in dementia.
c. suffers tremors due to overly rapid and spontaneous firing of neural impulses.
d. is unable to transmit neural impulses because poisons interfere with the action of the ion
pumps.
e. suffers depression due to abnormal secretion of neurotransmitters
A
You might also like to view...
List the characteristics suggesting that fungi should be assigned to the opisthokont clade. What will be an ideal response?
Ocean currents
A. are generated by friction between winds and ocean surfaces. B. are driven by the Earth's core rotating faster than the ocean water. C. always move clockwise in an ocean basin. D. are important in shipping but have little effect on living environments. E. All of the choices are correct.
Bees may pick up pollen of one species on a certain place on their bodies; if this area does not come into contact with the receptive structures of the flowers of another plant species, the pollen is not transferred. This is an example of
A. ecological isolation. B. temporal isolation. C. geographical isolation. D. mechanical isolation.
Which of the following is false about the bacterial cytoskeleton?
A) The bacterial cytoskeleton contains actin and tubulin proteins. B) The bacterial cytoskeleton acts as scaffolding to organize cell division. C) The bacterial cytoskeleton directs the construction of the rigid cell wall. D) The bacterial cytoskeleton provides an overall general organization to the cytoplasm for a variety of biochemical processes. E) The bacterial cytoskeleton is composed of long protein filaments.