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Active principle

Active principle

a constituent of a drug, usually an alkaloid or glycoside, upon the presence of which the characteristic therapeutic action of the substance largely depends.


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Re: Enzymes and activation energy.

... Wikipedia on Enzymes: The mechanism of enzyme catalysis is similar in principle to other types of chemical catalysis. By providing an alternative ... shape, brings the reactants (or substrates) closer together into its active site, This is the alternative route, and: allowing the chemical bonds ...

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by kolean
Wed Jul 08, 2009 5:04 pm
 
Forum: Molecular Biology
Topic: Enzymes and activation energy.
Replies: 4
Views: 385

Re: A biochemical question

... drive the forward reaction a bit (by good old Le Chatelier's principle), generating more product. Fairly quickly, though, the rate of ... enzyme is still “catalyzing” is just to say that the enzyme is still active. At steady state, the enzyme is “catalyzing” the production and consumption ...

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by blcr11
Wed Dec 24, 2008 2:43 pm
 
Forum: Molecular Biology
Topic: A biochemical question
Replies: 8
Views: 798

Redox potentials, oxidative metabolism, methylene blue etc.

... reaction) So what happens to methylene blue in the presence of active oxidative metabolism, then? Well, on first mixing MB is likely to ... far to the right. But as respiration consumes oxygen, by LeChatlier’s Principle the full-cell reaction will shift to the left in an attempt to ...

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by blcr11
Sat May 05, 2007 2:47 am
 
Forum: General Discussion
Topic: Redox potentials, oxidative metabolism, methylene blue etc.
Replies: 3
Views: 3872

help, problem

... is . The Effect of Temperature on the Activity of Proteolytic Enzymes Principle The ability of enzymes to accelerate biochemical reactions in mild ... a bacterial protease from Bacillus licheniformis which remained active and stable in alkaline washing conditions and the enzyme was given ...

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by martyn
Mon Apr 16, 2007 3:36 pm
 
Forum: Molecular Biology
Topic: help, problem
Replies: 3
Views: 850

The Fiber Disease

... volume, range of motion, force and speed capabilities. However, the principle of actuation is the same. Studies have shown that the common characteristic ... viruses acquire an alpha-helical conformation when the virus is in its active or fusogenic state. The structure is like a hairpin composed ...

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by mfromcanada
Sun Dec 24, 2006 9:41 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 748694
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