Brain cells are able to absorb glucose independent of insulin. What must be missing from brain cells compared to most other cell types? One of the risks of diabetes mellitus is diabetic coma, which results when insufficient glucose is available to the brain. Would you expect diabetic coma to be triggered when insulin is low or high? Explain. (Hint: Think about regulation of the number of glucose
transporters in brain cells and how the hyperglycemia present prior to insulin treatment may affect transporters.)
What will be an ideal response?
See Figures 6.5, 6.6 and 6.8; signal amplification.
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Which of the following is found inferior to the maxilla and has a posterior articulation with the temporal bone?
A. Palatine bone B. Sphenoid C. Parietal D. Mandible E. Zygomatic
The intrapleural pressure must always be higher than the intrapulmonary pressure or else the lung will collapse.
a. true b. false
Gastrulation begins when a groove with raised edges called the ________ appears on the dorsal surface of the embryonic disc
A) notochord B) placenta C) primitive streak D) spinal cord