Immunocytochemical staining for a protein called glial fibrillary acidic protein (GFAP) specifi-cally identifies which cell type in the nervous system?
a. Astrocyte
b. Ganglion cell
c. Microglial cell
d. Motor neuron
e. Oligodendrocyte
ANS: A
Intermediate filaments composed of glial fibrillary acidic protein are specifically found in astro-cytes
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Cytoskeletal structures that are not found in all cell types are
A) intermediate filaments. B) myofibrils. C) microtubules. D) microfilaments.
The process of preventing micturition in spite of initiation of the reflex involves
a. the cerebral cortex b. voluntary stimulation of the motor neuron supplying the external urethral sphincter c. voluntary stimulation of the internal urethral sphincter via its parasympathetic nerve supply d. both a and b e. a, b, and c
Matter is composed of elements, which are composed of ________.
A. organic molecules B. inorganic molecules C. chemicals D. atoms
Perimysium
What will be an ideal response?