What Is the Chemical Symbol for Glucose?
The chemical formula for glucose, C6H12O6, describes the composition of this sugar molecule; its structure and function require a more complex overview. Glucose, among other sugars, plays a vital role in human and animal life.
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Significance
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A molecule of glucose contains six carbon atoms, 12 hydrogen atoms and six oxygen atoms. This can be written as C6H12O6, the chemical formula for glucose.
Structure
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Although diagrams commonly represent glucose as a chain, the actual glucose structure appears more often as a ring. An oxygen atom connects the ring together (this positioning makes it an ether) and one carbon forms a CH2OH group extending away from the ring.
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Misconceptions
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The chemical formula for glucose doesn't distinguish it from other sugar molecules; fructose has the same formula, for example. The glucose structure has a six-member ring, including one oxygen atom, and a single extending CH2OH group; meanwhile, fructose has a five-member ring, including one oxygen, and two extending CH2OH groups.
Function
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Glucose fulfills many important biological functions. Humans and other animals use it as a primary source of energy for mental and physical activity. According to the Franklin Institute, nerve signals use glucose, making it significant in memory and learning.
Fun Fact
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Human reliance on glucose doesn't make it a good idea to use soda and candy as a primary fuel: They cause a sharp peak followed by a sharp drop in blood glucose, leaving the body low on energy. Researchers have found that eating a breakfast of complex carbohydrates improves memory, according to the Franklin Institute.
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References
- Photo Credit Image by Flickr.com, courtesy of David Goehring
