Dictionary » P » Progression

Progression

progression

1. The act of moving forward; a proceeding in a course; motion onward.

2. Course; passage; lapse or process of time. I hope, in a short progression, you will be wholly immerged in the delices and joys of religion. (Evelyn)

3. (Science: mathematics) regular or proportional advance in increase or decrease of numbers; continued proportion, arithmetical, geometrical, or harmonic.

4. A regular succession of tones or chords; the movement of the parts in harmony; the order of the modulations in a piece from key to key. Arithmetical progression, a progression in which the terms increase or decrease by equal differences, as the numbers by the difference 2. Geometrical progression, a progression in which the terms increase or decrease by equal ratios, as the numbers by a continual multiplication or division by 2. Harmonic progression, a progression in which the terms are the reciprocals of quantities in arithmetical progression, as 1/2, 1/4, 1/6, 1/8, 1/10.

Origin: L. Progressio: cf. F. Progression.


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Statistics help

hi, Can anyone help me by explaing what stats were used in this paper: “Matrix Crosslinking Forces Tumor Progression by Enhancing Integrin Signaling”; levental et al 2009 and what they showed? I can' get my head around it Thanks!

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by Britjade91
Thu Oct 31, 2013 11:34 am
 
Forum: Genetics
Topic: Statistics help
Replies: 1
Views: 922

Data analysis: DNA alignment HELP?

... working in plant systems designed experiments to determine whether plants also possessed CDKs that functioned as the catalysts for cell cycle progression. To isolate a cDNA encoding a CDK in maize, investigators aligned the predicted amino acid sequences of human cdc2, S. pombe cdc2, and S. ...

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by TToe
Mon Feb 18, 2013 10:40 am
 
Forum: Genetics
Topic: Data analysis: DNA alignment HELP?
Replies: 1
Views: 1902

What does describe mean in this question?

... with the reorganization of the nuclear membrane during mitosis. Explain how the phosphorylation of these proteins affects their function and cell progression through mitosis. I have found the three substrates but I don't what is meant by 'describe'.

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by TToe
Mon Feb 18, 2013 10:33 am
 
Forum: Cell Biology
Topic: What does describe mean in this question?
Replies: 1
Views: 1934

Re: Re:

... can be replicated as usual in mitosis. Thus, the neighbor cells which are previously normal will be affected too. Current way to stop the cancer progression is chemotherapy. it kills the cancer cells to spread or replicate. http://www.ask4biology.com/cell-biology/mutation http://www.ask4biology.com/immunology/tumour-immunology/ ...

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by Ahsmeah
Tue Feb 05, 2013 10:10 pm
 
Forum: Physiology
Topic: Cancer = Mutation: Stopping Mutation Would Cure Cancer?
Replies: 6
Views: 10968

Re: Re:

... can be replicated as usual in mitosis. Thus, the neighbor cells which are previously normal will be affected too. Current way to stop the cancer progression is chemotherapy. it kills the cancer cells to spread or replicate. http://www.ask4biology.com/cell-biology/mutation http://www.ask4biology.com/immunology/tumour-immunology/ ...

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by biohazard
Tue Feb 05, 2013 1:23 pm
 
Forum: Physiology
Topic: Cancer = Mutation: Stopping Mutation Would Cure Cancer?
Replies: 6
Views: 10968
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