A neuron in the skin detects tissue damage in the skin during a burn and informs the brain and spinal cord. This neuron is part of the ________ pathway.
Fill in the blank(s) with the appropriate word(s).
efferent
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Most transmembrane proteins have ________ regions facing the intra- and extracellular fluid, and ________ regions embedded in the phospholipid bilayer.
A. hydrophobic; hydrophobic B. lipophilic; lipophobic C. hydrophilic; hydrophilic D. hydrophobic; hydrophilic E. hydrophilic; hydrophobic
Embryonic stem cells are derived from the
A. outer cell mass of the morula. B. middle layer of the zygote. C. inner cell mass of the blastocyst. D. trophoblast.
T cells develop from stem cells in the
A) bone marrow. B) liver. C) spleen. D) thymus. E) kidneys.
The portion of the bipolar olfactory receptor cell that actually detects odors is the ________
A) proximal axon B) dendrite C) olfactory cilium D) axon terminal