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Fructose

Fructose

(Science: biochemistry) a 6 carbon sugar (hexose) abundant in plants. Fructose has its reducing group (carbonyl) at C2 and thus is a ketose, in contrast to glucose that has its carbonyl at C1 and thus an aldose. Sucrose, common table sugar, is the nonreducing disaccharide formed by an alpha linkage from C1 of glucose to C2 of fructose (latter in furanose form). Fructose is a component of polysaccharides such as inulin, levan. A simple Sugar found in honey and in many ripe fruits.


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Testing for glucose in the water which leaf is in?

... If they are exported into the cytoplasm, they are used to make sucrose, which is then exported from the leaf. Your experiment would only catch the fructose and not the starch, and this would not be a very good result: if you have low sucrose in the water, it may be because the plant is not carrying ...

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by MrMistery
Sun May 03, 2009 3:11 am
 
Forum: Botany Discussion
Topic: Testing for glucose in the water which leaf is in?
Replies: 8
Views: 375

Enzyme Question

... the other enzymes of the calvin cycle: phosphoglycerate kinase, glyceraldehyde 3-phosphate dehydrogenase, triose phosphate isomerase, aldolase, fructose bisphosphatase, Sedoheptulose Bisphosphatase, Transketolase, Epimerase, Ribose Phosphate Isomerase and Phosphoribulokinase. Please note that ...

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by MrMistery
Mon Apr 20, 2009 2:05 pm
 
Forum: Molecular Biology
Topic: Enzyme Question
Replies: 1
Views: 177

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 ethanol ...

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by twenty10
Mon Dec 22, 2008 6:03 am
 
Forum: Molecular Biology
Topic: Macromolecules
Replies: 2
Views: 405

Enzymes and ATP

... glucose by galactosidase. Outline the reaction involving these enzymes using a word equation. I initially thought: LactASE + H2o -> glucose and fructose and had no clue for the second part. Then I looked on the net and found these 2 equations: galactosidase Lactose + H2O ----------> galactose ...

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by twenty10
Sun Dec 14, 2008 11:03 pm
 
Forum: Molecular Biology
Topic: Enzymes and ATP
Replies: 3
Views: 640

Please help...I'm completely confused????

yes, you're on the right track. Glucose uses a system classified as secondary active transport, and fructose uses a permease (does not require ATP)

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by MrMistery
Tue Oct 21, 2008 8:47 pm
 
Forum: Cell Biology
Topic: Please help...I'm completely confused????
Replies: 3
Views: 440
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