Dictionary » P » Principles



1. Beginning; commencement. Doubting sad end of principle unsound. (Spenser)

2. A source, or origin; that from which anything proceeds; fundamental substance or energy; primordial substance; ultimate element, or cause. The soul of man is an active principle. (Tillotson)

3. An original faculty or endowment. Nature in your principles hath set [benignity] (Chaucer) Those active principles whose direct and ultimate object is the communication either of enjoyment or suffering. (Stewart)

4. A fundamental truth; a comprehensive law or doctrine, from which others are derived, or on which others are founded; a general truth; an elementary proposition; a maxim; an axiom; a postulate. Therefore, leaving the principles of the doctrine of christ, let us go on unto perfection. (Heb. Vi. 1) A good principle, not rightly understood, may prove as hurtful as a bad. (milton)

5. A settled rule of action; a governing law of conduct; an opinion or belief which exercises a directing influence on the life and behavior; a rule (usually, a right rule) of conduct consistently directing one's actions; as, a person of no principle. All kinds of dishonesty destroy our pretenses to an honest principle of mind. (Law)

6. (Science: chemistry) Any original inherent constituent which characterises a substance, or gives it its essential properties, and which can usually be separated by analysis; applied especially to drugs]], plant extracts, etc. Cathartine is the bitter, purgative principle of senna. (Gregory) Bitter principle, Principle of contradiction, etc. See Bitter, Contradiction, etc.

Origin: F. Principe, L. Principium beginning, foundation, fr. Princeps, -cipis. See Prince.

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Science versus a job as a "scientist"

... best science teachers are empowering individuals to able to do science because they have the facts or know where to find the facts, understand the principles and can take science forward to new frontiers. What you describe is more the way that the worst teachers tell students to conform, reply ...

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by PeterDow
Fri Nov 01, 2013 11:52 pm
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Re: molecular question.

The question didn't mension what organism or what mutation, its just a question in general i guess. It comes from molecular principles (david hyde), since I already had my test, the question is irrelevant to me now anyway.

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by aapje10
Tue Aug 20, 2013 8:21 pm
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Topic: molecular question.
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Do We Have The Freedom Of Choice?

... cannot even fully comprehend its awesomeness - but consists of these very same neurons that fire their signals across the axons based on the same principles that each an every neuron works. There is no free will involved, at least not in the base level of their operations. So when does the free ...

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by biohazard
Wed Apr 03, 2013 9:44 am
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Topic: Do We Have The Freedom Of Choice?
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mutation-selection balance

... it. In this case, p, the gene frequency of the lethal allele in the population, is equal to μ, the mutation rate (p = μ). We can use the same principles to predict the relationship between mutation and selection against recessive alleles. The Hardy-Weinberg principle showed that most copies ...

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by Monco
Mon Mar 04, 2013 10:41 pm
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Topic: mutation-selection balance
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Gene patents may hamper innovations in patient care

... limited job growth, and non-competitive monopoly. Unfortunately, gene patents and the complex legal interpretations of simple scientific principles surrounding gene patents may slow down or hamper future innovations in patient care, specifically the development of cost-effective novel ...

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by TMJohnson
Mon Dec 17, 2012 11:38 am
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