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Daltons law

Daltons law

Each gas in a mixture of gases exerts a pressure proportionate to the percentage of the gas and independent of the presence of the other gases present.

Synonym: law of partial pressures.

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Re: Cell and Molecular Revision Question Help!!!

This is what I have.. Consider the Vector (Mass of Vector): pBR328 (4.9 x 103) x 660 = 2.94x106 Daltons Given: Moles = Mass/MW Moles = 50 x 10-9g / 2.94x106 Moles = 17 x10-15 Each vector has two ends therefore x2 = x2 Therefore there are 34 x10-15 moles of ends of vector ...

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by Didact1
Mon Sep 30, 2013 10:02 pm
Forum: Molecular Biology
Topic: Cell and Molecular Revision Question Help!!!
Replies: 4
Views: 3822

Virology - Calculations

... has a genome of 1.184 MB (1184 kb) of double stranded DNA. 90.5% is coded into 1262 ORFs. What would be the average size of a coded protein in kiloDaltons? -1184 kb is 1184000 bases times the 660 Da per base pair gives 7.8144x10^8Daltons... Not sure where to go to further this. Somehow, I think ...

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by mkay28
Mon Sep 16, 2013 1:05 am
Forum: General Discussion
Topic: Virology - Calculations
Replies: 1
Views: 2796

Molecules entering the bloodstream from skin absorption

... weight or mass to pass through the skin and enter the bloodstream? I have read that most essential oils molecular weight or mass is less that 500 daltons? One article I read said that 500 daltons was the number for a molecule to pass through the lipid matrix of the dead cells on the surface of ...

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by watermelonstand
Wed Jul 11, 2012 11:42 pm
Forum: Human Biology
Topic: Molecules entering the bloodstream from skin absorption
Replies: 2
Views: 20733

Molecular Cell Biology

... molecules get taken up into a single endocytic vesicle (radius, r = 20 nm) when the medium contains 1 mg/ml HRP (molecular weight of HRP = 40 000 daltons). Note: The volume of a sphere = 4/3πr 3 (25 marks)

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by Freckles
Wed Dec 07, 2011 11:24 pm
Forum: Cell Biology
Topic: Molecular Cell Biology
Replies: 5
Views: 5184

DNA isolation after digestion with micrococcal nuclease

... produce. any kind of lead on how i could find this information out would be wonderful. c)If the amino acids weight are being measured in daltons i would say that these proteins are small or weigh very little? d) if the two proteins have a molar ratio of 1:1 then they are very similar? ...

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by havery01
Wed Dec 01, 2010 12:31 am
Forum: Cell Biology
Topic: DNA isolation after digestion with micrococcal nuclease
Replies: 6
Views: 5500
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