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Characteristic x-ray

Characteristic x-ray

(Science: microscopy) An x-ray having a unique energy that is emitted by an atom in the sample during its de-energization after ionization of one of its electrons by an incident electron.


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Microevolution verus Macroevolution

... smaller. Some plankton remain microscopic all their lives while others grow into giant squid. Size is not that much of an issue. It is a temporary characteristic of a species and can rapidly change with the availability of food.

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by animartco
Sun Jul 06, 2014 3:17 pm
 
Forum: Evolution
Topic: Microevolution verus Macroevolution
Replies: 16
Views: 21726

What do you do when talking to creationists?

... You also need to learn about the Nested Hierarchy model of groups within groups - so bats are in mammals and have all the mammalian characteristics (no DNA in red blood cells, in/out lungs, hair, live birth, etc). Although there are many species of bat not one has a bird characteristic ...

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by FriarBroccoli
Sat Jan 18, 2014 2:40 am
 
Forum: Evolution
Topic: What do you do when talking to creationists?
Replies: 4
Views: 4797

Somatic Fusion and Reproduction

... create protoplasts and then create a hybrid plant through somatic fusion, but just a few quick questions first: Do somatic fusion hybrids display characteristics of both cell donors at the same time? Or is it similar to a dihybrid cross, where some plants would show one characteristic and another ...

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by Thomas9666
Thu Jan 09, 2014 5:15 pm
 
Forum: Cell Biology
Topic: Somatic Fusion and Reproduction
Replies: 0
Views: 1962

The Selfish Gene

... Obviously a gene can't actually want anything. What Dawkins describes in that book is a chain of cause and effect. Genes that have certain characteristics are more likely to propagate than other genes without those characteristics. It's the same process you see at the population level; ...

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by Luxorien
Sat Nov 16, 2013 6:50 pm
 
Forum: Evolution
Topic: The Selfish Gene
Replies: 2
Views: 2103

My “Eureka” moment. A cure for cancer.

... factor inhibitor type, some (perhaps most) yet to be developed, would be required to halt selectively all normal cell division but not halt the characteristically aberrant cancer cell division and secondly, conventional chemotherapy drugs would be used to target and kill only the dividing cancer ...

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by PeterDow
Fri Oct 25, 2013 12:14 am
 
Forum: Human Biology
Topic: My “Eureka” moment. A cure for cancer.
Replies: 9
Views: 11489
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