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(Science: microscopy) An imaginary line forming a right angle with the tangent to a curved surface at a particular point. It is used as a basis for determining angles of incidence, reflection, and refraction.

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Re: B-DNA and A-DNA

The normal Watson Crick double helix form of DNA isn't it?

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by rose61
Tue Mar 17, 2015 5:28 pm
Forum: Molecular Biology
Topic: B-DNA and A-DNA
Replies: 5
Views: 1830

Cancer more than animals animals

The article will tell you the differences between cancer cells and normal cells http://www.articlesbase.com/science-articles/comparison-of-normal-cells-and-cancer-cells-7163014.html

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by 2444256703
Tue Mar 03, 2015 7:11 am
Forum: Cell Biology
Topic: Cancer more than animals animals
Replies: 6
Views: 1962

Re: Human Collembola Infestations

I think I had/have the misfortune to have what appears to be a collembola infestation too. My profile - health conscious, normal weight, no skin issues whatsoever in childhood Just turned 30 and getting depressed as we speak anbout this issue. It all started when I got a new french ...

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by sammygirl
Thu Feb 05, 2015 2:16 pm
Forum: Human Biology
Topic: Human Collembola Infestations
Replies: 47
Views: 132987

Re: 6 fingers

... be out beyond the little finger (which is called ulnar hexadactyly) or out beyond the thumb (radial hexadactyly) or, finally, between two of the normally expected fingers (intercalary hexadactyly). Far and away the most frequent form of hexadactyly is ulnar (postaxial) hexadactyly. Next comes ...

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by BrentElmer
Fri Jan 30, 2015 7:10 am
Forum: Genetics
Topic: 6 fingers
Replies: 5
Views: 6000

An Overview of Embryonic Stem Cells

... from different organs and systems of mice and rats. Its Tumor Stem Cells samples are extremely valuable to those who need to compare them to normal stem cells of a certain origin and study how they give rise to cancerous cells. http://www.creative-bioarray.com/Products/Embryonic-Stem-Cells-list-36.htm

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by 2444256703
Thu Jan 29, 2015 6:48 am
Forum: Cell Biology
Topic: An Overview of Embryonic Stem Cells
Replies: 0
Views: 662
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