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Galactose

Galactose

(Science: biochemistry) hexose identical to glucose except that orientation of H and OH on carbon 4 are exchanged.

a component of cerebrosides and gangliosides, glycoproteins. Lactose, the disaccharide of milk, consists of galactose joined to glucose by a _(1-4) glycosidic link. A simple Sugar found in lactose.A monosaccharide that does not occur naturally, though produces lactose when combined with [[glucose.


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mRNA transcripts, cis/trans-acting questions

... these two homework questions. I have no idea where/how to start to figure these out. You have isolated several yeast mutants unable to metabolize galactose. All of the mutants fail to transcribe the GAL2 gene, which encodes the enzyme for the first step in metabolizing galactose. For mutants a. ...

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by animus31
Fri Nov 09, 2012 11:58 am
 
Forum: Genetics
Topic: mRNA transcripts, cis/trans-acting questions
Replies: 0
Views: 496

galactose metabolism

plz help....i need this urgently......i have isolated a mutant cell of yeast that cannot take part in a particular step of galactose metabolism...in order to identify the gene responsible for it.....i have transformed the cell with plasmid vectors containing fragments of genomes of ...

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by APmicro
Thu Oct 11, 2012 3:46 am
 
Forum: Cell Biology
Topic: galactose metabolism
Replies: 0
Views: 374

I need some help...

... as to how to make a 100 mg/mL solution. I also do not know how to accurately record the enzymes activity other than by looking at the glucose and galactose concentration in a given period of time (in this case, 5 minutes); now the problem lies in what are some precise ways to measure the glucose ...

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by fubario
Fri Mar 16, 2012 3:34 am
 
Forum: Molecular Biology
Topic: I need some help...
Replies: 3
Views: 1257

Maximum Life Span of Animals, Fishes and Birds.

... the body, to the tissues and into the cells. Aerobic respiration, as opposed to anaerobic, uses oxygen as well as a monosaccharide (glucose, galactose, fructose etc) to create adenosine triphosphate (ATP). This does, however, cause the release of free radicals, which can damage the cell nucleus ...

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by Squirrell
Wed Feb 15, 2012 2:07 am
 
Forum: Zoology Discussion
Topic: Maximum Life Span of Animals, Fishes and Birds.
Replies: 9
Views: 4006

Re: Relationship between structure and function of glucoes

... or "down" relative to the ring. If there are any 1-6 bonds these cause branching -- these branches are common in starch. I wrote "Galactose is pure 1-4 α-bound glucose while starch is a polymer of the pure 1-4 β form" Oops. That should have been: Starch is pure 1-4 α-bound ...

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by jonmoulton
Tue Sep 13, 2011 7:44 pm
 
Forum: Molecular Biology
Topic: Relationship between structure and function of glucoes
Replies: 12
Views: 11425
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