Dictionary » S » Sediment



(Science: biology) A precipitate, especially one that is formed spontaneously.

Origin: L. Sedimentum

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Re: blank and substrate control give OD reads

... deep well plate 5) add 250ul enzyme (from step 3) + 250ul sodium acetate into the substrate 6) incubate @ 50oC, 4hrs in waterbath 7) centrifuge to sediment the substrate 8) pipet 100ul reaction solution and transfer to new 96 deep well plate 9) add 100ul DNS solution, incubate @ 100oC, 5min 10) ...

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by intandiana
Sun Jan 19, 2014 5:57 am
Forum: Molecular Biology
Topic: blank and substrate control give OD reads
Replies: 9
Views: 3708

Re: Animal cell nucleus shape changes

... Rate zonal centrifugation Isopycnic centrifugation In differential pelleting a sample is subjected to centrifugal separation to allow particles to sediment.

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by andrewpasha
Tue Nov 20, 2012 3:37 pm
Forum: Cell Biology
Topic: Animal cell nucleus shape changes
Replies: 7
Views: 9768

'Evolution'-the most retarded myth ever.

... head off in little groups, low population sizes, low predation etc etc) and dead things buried everywhere from organisms getting buried in mud/sediment quickly. Tower of babel predicts- Language diversity and different ethnicity of mankind (People all gathered in one place at one time, head ...

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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: 8949

Video of rotifer eating.

... used to seeing Bdelloidea rotifers mostly, which are pretty motile, so hard to capture for very long, but I found this rotifer hanging out on some sediment. Not sure on the species, but the specimen did a good job of showing the current they create, as well as the rejecting of large particles that ...

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by keeblur
Sat Mar 31, 2012 11:10 pm
Forum: Microbiology
Topic: Video of rotifer eating.
Replies: 0
Views: 957

Evolution: evidence of change

... the actual age of the fossils, the depth of the layers can vary each year, and natural causes, such as erosion or earthquakes change the layers of sediment. what are some problems faced by paleontologists when reconstructing the history of life on earth? ^ the fossil record is incomplete, the quality ...

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by Ayeshaa
Wed Feb 29, 2012 4:30 am
Forum: Evolution
Topic: Evolution: evidence of change
Replies: 2
Views: 3421
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