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Pure colour

pure colour

A visual sensation produced by light of a specific wavelength.


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Re:

Like Canalon said, getting pure cultures is probably the key factor. Repeat the streaking several times if needed ... not cover the whole area of the sample, the sample may partially retain the purple colour even if it was gram negative. People new to Gram staining end up having mixed ...

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by SweetSarah
Sun Feb 26, 2012 5:47 am
 
Forum: Microbiology
Topic: HELP! Why do I keep getting a mixed culture in my gramstain?
Replies: 11
Views: 8104

HELP! Why do I keep getting a mixed culture in my gramstain?

Like Canalon said, getting pure cultures is probably the key factor. Repeat the streaking several times if needed ... not cover the whole area of the sample, the sample may partially retain the purple colour even if it was gram negative. People new to Gram staining end up having mixed ...

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by biohazard
Mon Feb 20, 2012 9:22 am
 
Forum: Microbiology
Topic: HELP! Why do I keep getting a mixed culture in my gramstain?
Replies: 11
Views: 8104

Cobalt turning orange ??

... (cobalt) and Ni-NTA resin (nickel). What was weird, was a change of colour of the Talon resin : it turned light orange with my sample... Final result, my protein is pure from Ni-NTA resin but no results from Talon resin... Has someone already observed ...

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by mgn67
Sun Jan 22, 2012 11:32 am
 
Forum: Molecular Biology
Topic: Cobalt turning orange ??
Replies: 0
Views: 1071

Re:

... to come to the conclusion that there are two ways you can gain blue colour? How many loci to use? You need to self-cross F1 of two pure breed individuals and look at F2 ratios: for self-pollination: divide F2 dominant by F2 ...

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by Cat
Wed Dec 14, 2011 9:58 pm
 
Forum: Genetics
Topic: Question about basic crossing.
Replies: 5
Views: 3715

Alas the creationists are right though...

... easier, hence the kidney evolved. And so on. What would have been pure randomness is if you desperately needed horns so that you could defend ... proper pollution filters to their factories. But developing that dark colour was not random, even though the needed mutations were so. Natural ...

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by biohazard
Wed Nov 17, 2010 10:19 am
 
Forum: General Discussion
Topic: Alas the creationists are right though...
Replies: 15
Views: 24090
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