Glucose from blood enters the brain by a transport protein. Glucose is the primary energy substrate of the brain. Glucose transport protein (GLUT-1) is highly enriched in brain capillary endothelial cells.These transporters carry glucose molecules through the blood brain barrier.lucose is the primary energy substrate of the brain. Glucose transport protein (GLUT-1) is highly enriched in brain capillary endothelial cells. These transporters carry glucose molecules through the blood brain barrier.
Seeing the changing autumn leaves is a longstanding Colorado tradition that generally takes place mid-September to mid-October each year, and AAA Colorado, the Colorado Department of Transportation (CDOT), and Colorado Parks and Wildlife want to let people know where to drive and how to drive safely for some of the best views this season.
The beautiful aspen is the quintessential Colorado tree. We've named towns, streets, dogs and our beer after this glorious tree. In the summer, the aspens provide shade for our state flower, the columbine; and when fall foliage comes on the scene, Coloradans rejoice as the aspens' gently tinkling leaves turn a vibrant shade of gold. Updated: 1/6/2017.