Multiple sclerosis is brought about by
a. destruction of cells in the basal ganglia.
b. a viral infection of the meninges.
c. a buildup of amyloid protein in the brain.
d. CSF buildup in the ventricles.
e. progressive destruction of the myelin sheath in the CNS.
E
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Bacterial isolates from post surgical infections of several patients on the same hospital floor demonstrate an increase in resistance to similar antibiotics. The pattern of antibiotic resistance in these cases is most likely due to vertical gene transfer among bacteria that carry resistance genes to bacteria that lack those genes.
Answer the following statement true (T) or false (F)
Which of the following is an example of an inherited characteristic?
a. a suntan b. weight gain c. dimples d. a mohawk hairstyle
Which process is responsible for the movement of solids into some animal cells?
a. pinocytosis b. osmosis c. receptor-mediated endocytosis d. facilitated diffusion e. phagocytosis
Which of the following must an organism do in order to be living?
a. grow and reproduce b. photosynthesis c. cellular respiration d. meiosis