Which of the following molecular components of the lipid bilayer of the plasma membrane possesses a charged polar phosphate "head" and uncharged nonpolar fatty acid "tails"?
A)phospholipid
B)cholesterol
C)integral protein
D)glycoprotein
E)glycolipid
A)phospholipid
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Which glial cell provides structural support and organization to the CNS?
A. Ependymal cell B. Astrocyte C. Neurolemmocyte D. Oligodendrocyte E. Microglial cell
The subdural space is the region between the arachnoid mater and the dura mater
Indicate whether this statement is true or false.
Which are unpaired arteries? a: Superior phrenicb: Celiac trunkc: Superior mesentericd: Inferior mesenterice: Inferior phrenicf: Vertebral
A. a, d, e, f B. b, c, f C. b, c, d D. a, b, e E. b, d, f
Polymodal neurons are
A. part of specific ascending sensory pathways. B. efferent neurons. C. interneurons that receive synaptic input from only one type of sensory unit. D. afferent neurons. E. interneurons that receive synaptic input from different kinds of sensory units.