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Negative

negative

Not affirming the presence of the organism or condition in question (a negative diagnosis).


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Isogamous organisms

... both are 100% identical (of course, there could be mutations, but no allele differentiation in matching-type regions, like the positive + and negative - mathing types in some algaes), and with a sexual reproduction. In isogamous organisms we have a small genetic differentiation between the ...

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by jaumzaum
Thu Oct 02, 2014 11:47 pm
 
Forum: General Discussion
Topic: Isogamous organisms
Replies: 0
Views: 28

Re: Any ideas for vaccine development or anti-viral drugs???

... interfere with the replication of several positive-strand RNA viruses in cell culture. The filoviruses, Marburg virus and Ebola virus (EBOV), are negative-strand RNA viruses that cause up to 90% lethality in human outbreaks. There is currently no commercially available vaccine or efficacious therapeutic ...

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by jonmoulton
Mon Sep 15, 2014 3:04 pm
 
Forum: Cell Biology
Topic: Any ideas for vaccine development or anti-viral drugs???
Replies: 2
Views: 478

Graphs depicting qPCR fold change

... up-regulation. But the problem with this method is that it is harder to appreciate the extent of down-regulation. 2. Using inverse values where negative values (<-1) represent down-regulation and positive values (>+1) represent up-regulation. However, the problem with this approach is ...

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by loudowns
Mon Jun 30, 2014 4:37 pm
 
Forum: Molecular Biology
Topic: Graphs depicting qPCR fold change
Replies: 0
Views: 600

Propagation and Transfection of BHK cells?

A and B and negative controls to check for viability of your cells and your media (A) and the process of transfection (B)

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by JackBean
Sun May 04, 2014 12:39 pm
 
Forum: Molecular Biology
Topic: Propagation and Transfection of BHK cells?
Replies: 2
Views: 1615

A question about evolution.

... before starting to develop the feature? Not as far as we know. How does evolution work ? Evolution (defined as change over time) works via negative selection. That means that random mutations appear all the time and those that are detrimental to survival are removed from the population ...

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by Cat
Sun Apr 20, 2014 3:18 pm
 
Forum: Evolution
Topic: A question about evolution.
Replies: 1
Views: 940
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