Dictionary » C » Clonal



Pertaining to a clone.

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'Evolution'-the most retarded myth ever.

... Oldest tree http://en.wikipedia.org/wiki/Methuselah_%28tree%29 Its age of around 4844–4845 years[a] makes it the world's oldest known living non-clonal organism. The ancient tree is named after Methuselah, a Biblical figure having the longest mentioned lifespan in the Bible of 969 years. Scientific ...

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by jinx25
Sun Oct 07, 2012 4:22 pm
Forum: Evolution
Topic: 'Evolution'-the most retarded myth ever.
Replies: 12
Views: 11137

Theories - Origin of Life

... to environments without (random) mutation? It is quite easy to design experiments that falsify this. For example - take a cell, form several clonal populations from it - so the populations are identical except for random changes. Expose them to stress, enough to slow their growth but not ...

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by AstraSequi
Tue Mar 27, 2012 2:25 am
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 563
Views: 1128499


... one gene (or group of very strongly linked genes) is involved. The conclusion are that what causes the spread of the melanic phenotype was due to clonal expansion of a single carbonaria ancestor (if the events had happened multiple times, one would expect diversity within the SNPs in the studied ...

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by canalon
Wed Oct 26, 2011 2:45 am
Forum: Evolution
Replies: 63
Views: 36725

How does negative selection in the thymus get around viral a

... the properties of T cells responding to the T cell receptor signals. Although the article focused mainly on autoimmunity, they said that many clonal TCRs can recognize several epitopes with varying affinities - with varying outcomes. So even if a virus could invade the thymus and thus eliminate ...

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by biohazard
Tue Jun 28, 2011 6:52 am
Forum: Human Biology
Topic: How does negative selection in the thymus get around viral a
Replies: 3
Views: 7065

Killer Cells vs. Cytotoxic Cells

... cells, to the contrary, do not require APCs and they do not adapt according to the type of antigen or infection (unlike T and B cells, who undergo clonal expansion and increased antibody affinity etc.). Thus, NK cells are considered to be a part of the innate immune system: they always recognize ...

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by biohazard
Mon May 02, 2011 8:23 am
Forum: Cell Biology
Topic: Killer Cells vs. Cytotoxic Cells
Replies: 9
Views: 38893
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