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Molecular weight

molecular weight

The sum of the atomic weight's of all the atoms constituting a molecule; the mass of a molecule relative to the mass of a standard atom, now 12C (taken as 12.000). Relative molecular mass (Mr) is the mass relative to the dalton and has no units.

See: atomic weight.

Synonym: molecular mass, molecular weight ratio, relative molecular mass.


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[molecular bio]calculation

... mL of your 1M solution and 600 mL of water. You don't even need to know molecular weight, density or anything else. You can just derive it out of C1*V1=C2*V2 (1M*V1=0.4M*1L ...

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by MrMistery
Mon Aug 17, 2009 11:42 am
 
Forum: Molecular Biology
Topic: [molecular bio]calculation
Replies: 3
Views: 122

Re: [molecular bio]calculation

... one more... :cry: stock solutions and powders available: NaCl powder (molecular weight 58.4), 1 M potassium phosphate, and a 5 mg/ml stock of cholesterol (mol. wt. 386.7) ...

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by scholesmu
Sun Aug 16, 2009 11:49 am
 
Forum: Molecular Biology
Topic: [molecular bio]calculation
Replies: 3
Views: 122

[molecular bio]calculation

... would you need to weigh out and add to 750 mL of the DMEM medium? The molecular weight of glutamine is 120. i hv no idea how to do it...

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by scholesmu
Sat Aug 15, 2009 9:48 am
 
Forum: Molecular Biology
Topic: [molecular bio]calculation
Replies: 3
Views: 122

Not getting lower molecular weight bands in SDS-PAGE

... the same with Ponceau's solution, i am getting distinct bands at higher molecular weight region but not getting anything below 35 kD region. i'm approximately loading 25 micro ...

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by writoban
Wed Aug 05, 2009 12:52 pm
 
Forum: Molecular Biology
Topic: Not getting lower molecular weight bands in SDS-PAGE
Replies: 1
Views: 86

Re: Stomach bloating and weight gain

... this while Google-ing my condition. Ironically, I was (past tense) a molecular biologist about 25 years ago. I've read through this thread and ... shape, and have exercised regularly for many many years. I am not overweight (in terms of fat deposits), though I am 5' 10" and about 210lbs. ...

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by jonquiljo
Tue Jul 21, 2009 8:36 am
 
Forum: Physiology
Topic: Stomach bloating and weight gain
Replies: 299
Views: 483284
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