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Pentose

Any monosaccharide sugar containing five atoms of carbon per molecule.A type of [[monosaccharide consisting of five carbon atoms.


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RNA as genetic material

... chain of nucleotides. Second, while DNA contains deoxyribose, RNA contains ribose (in deoxyribose there is no hydroxyl group attached to the pentose ring in the 2' position). These hydroxyl groups make RNA less stable than DNA because it is more prone to hydrolysis. Third, the complementary ...

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by bellyjelly
Tue Jul 12, 2011 7:41 am
 
Forum: Molecular Biology
Topic: RNA as genetic material
Replies: 9
Views: 19261

Membrane transport

a. Explain why the isomers d-pentose and l-pentose have such varied permeabilities although nearly the same structure. b. Explain what relationship is shown with urea, thiourea and dimethyl urea. c. Explain why glycerol has a low permeability ...

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by grant01
Thu Dec 02, 2010 10:04 pm
 
Forum: Cell Biology
Topic: Membrane transport
Replies: 2
Views: 2947

NADP+ and NAD+

... (NADPH). If you had such enzyme, you would have mixed up the concentrations and all regulations diminished. You're basically true about the pentose phosphate pathway

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by JackBean
Sat Feb 13, 2010 7:17 pm
 
Forum: Molecular Biology
Topic: NADP+ and NAD+
Replies: 1
Views: 4016

NADP+ and NAD+

... be the physiological consequence(s) of having such an enzyme for an organism. I though that it may have something to do with the regulation of the pentose phopshate pathway, but I'm really stuck.

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by klou
Sat Feb 13, 2010 6:43 pm
 
Forum: Molecular Biology
Topic: NADP+ and NAD+
Replies: 1
Views: 4016

Macromolecules

Hello, I have too draw structural diagrams on biomolecuels in their reaction stages. For examples a hexose (glucose) and a pentose (fructose) forming a disaccharide (sucrose). One of my questions says "ethanol" and I am not sure what to draw. I searched online and I just saw ...

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by twenty10
Mon Dec 22, 2008 6:03 am
 
Forum: Molecular Biology
Topic: Macromolecules
Replies: 2
Views: 2289
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