- #1
bomba923
- 763
- 0
A monosacharride that humans cannot metabolize? 
Is there a monosaccharide that humans cannot metabolize?
- Thread starter bomba923
- Start date
In summary, there are only three hexoses that humans can metabolize: Glucose, Fructose, and Galactose. This is because our cells know how to convert Glucose to ATP and our liver can convert Fructose and Galactose to Glucose. It all depends on the enzymes present, which are specialized to deal with specific molecules. Additionally, the chirality (handedness) of sugars may also play a role in their metabolizability.
- #2
fargoth
- 320
- 6
well, i think formaldehyde would be one... i don't think it's good to drink formalin 
- #3
bomba923
- 763
- 0
(...Alright...to be more specific )
~Does there exist a six-carbon monosaccharide (a hexose) that humans cannot metabolize?
)~Does there exist a six-carbon monosaccharide (a hexose) that humans cannot metabolize?
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- #4
fargoth
- 320
- 6
i think that only Glucose, Fructose and Galactose can be metabolized out of the hexoses...
- #5
bomba923
- 763
- 0
? Why so ?fargoth said:
- #6
fargoth
- 320
- 6
well, the short answer is that our cells know to convert Glucose to ATP (and some cells know to convert Glucose to Glycogen and back)
and our liver knows to convert only Fructose and Galactose to Glucose...
it all depends on what your enzyms can do...
and our liver knows to convert only Fructose and Galactose to Glucose...
it all depends on what your enzyms can do...
- #7
skywolf
- 81
- 0
i once read something about the chirality (right left handedness of things)
i think it applies to sugars, that if they were the opposite direction we couldn't metabolize it
not sure, but it sounds familiar
i think it applies to sugars, that if they were the opposite direction we couldn't metabolize it
not sure, but it sounds familiar
- #8
Ahmed Abdullah
- 203
- 3
enzyms are protein and have definite structure,... and are specialized to deal with certain molecule ... having appropriate configuration.
FAQ: Is there a monosaccharide that humans cannot metabolize?
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