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Glucose

Definition

noun

A simple monosaccharide sugar that serves as the main source of energy and as an important metabolic substrate for most living things. Its chemical formula is: C6H12O6


Supplement

Glucose is a hexose sugar since it contains six carbon atoms, one of which is part of an aldehyde group, hence, is referred to as an aldohexose.

Glucose is one of the products of photosynthesis in plants and other photosynthetic organisms. In plants, glucose molecules are stored as repeating units of sugar (e.g. starch).

Glucose also serves as an important metabolic intermediate of cellular respiration. In animals, an excess of glucose is stored as glycogen.


Word origin: Greek gleukos = sweetness, glykys = sweet.

Related terms: Benedicts test for glucose, blood glucose, fasting glucose, glucose-6-phosphate.

Synonym: D-glucose, D-glucopyranose, grape sugar, corn sugar, dextrose, cerelose, starch syrup.
See also: monosaccharide.


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Re: Food to ATP energy?

... to be a little bit Math-intense, but I'll try to summarize at the end (I think I answered the bulk of your issue above): The molecular weight of glucose is ~180 grams/mol. That means one mole of glucose weighs 180 grams. One mole of glucose could, at 100% efficiency (theoretical yield) be converted ...

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by tmbirkhead
Thu Aug 14, 2014 1:11 am
 
Forum: Cell Biology
Topic: Food to ATP energy?
Replies: 2
Views: 582

cells in our body and glucose

Is there any type of cell in our body that does not use glucose as it's energy source but rather some other compound?

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by biba56
Sun Apr 13, 2014 12:07 pm
 
Forum: Cell Biology
Topic: cells in our body and glucose
Replies: 1
Views: 544

improved glucose tolerance in non obese type 2 diabetic rats

NIH Research on rat models. Early improvement of glucose tolerance after ileal transposition in a non-obese type 2 diabetes rat model. Surgical operations which shorten the intestinal tract between the stomach and the terminal ileum result in an ...

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by rmorrison
Wed Mar 19, 2014 6:53 pm
 
Forum: Human Biology
Topic: improved glucose tolerance in non obese type 2 diabetic rats
Replies: 0
Views: 1526

Fasting and bloodsugar

After a meal, there is increase in the blood sugar level (glucose), which is regulated by Insulin secretion. But during fasting, when there is no food directly provided to the body to get it converted to glucose , blood sugar level rises slowly than normal.

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by vinu
Sat Mar 01, 2014 10:44 am
 
Forum: Human Biology
Topic: Fasting and bloodsugar
Replies: 3
Views: 1626

Why does the floem gets affected when the bark gets damaged?

... the bark down to the wood, you're destroing also the phloem. However, phloem doesn't transport nutrients (and it definitely doesn't transport glucose) from leaves only to the roots. In reality, very young leaves function as sink instead of source: http://www.scri.ac.uk/scri/file/annualreports/1999/08SINKSO.PDF

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by JackBean
Fri Feb 28, 2014 3:15 pm
 
Forum: Botany Discussion
Topic: Why does the floem gets affected when the bark gets damaged?
Replies: 2
Views: 1443
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