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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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MolBio calculations

... them: Q1 You have a plasmid that is 5500 bp in size. What is it’s molecular weight? If you have a prep that is 1 mg/ml, what volume would you add to get 1 picomole? Q2 ...

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by nedal
Wed Dec 04, 2013 12:32 pm
 
Forum: Molecular Biology
Topic: MolBio calculations
Replies: 1
Views: 863

Cell and Molecular Revision Question Help!!!

... of DNA"? 5 pg of what per pg of DNA? ligation - just calculate the molecular weight of each fragment and then put them into 3:1 ration (by moles)

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by JackBean
Mon Sep 30, 2013 12:08 pm
 
Forum: Molecular Biology
Topic: Cell and Molecular Revision Question Help!!!
Replies: 4
Views: 1784

Re: Virology - Calculations

... about the protein size. So 849 bp produce 283 AAs long protein, which weight about 31.13 kDa . **What is the molecular weight of single-stranded RNA needed to code for a capsid protein of 60 kilodaltons ...

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by JackBean
Tue Sep 17, 2013 3:58 pm
 
Forum: General Discussion
Topic: Virology - Calculations
Replies: 1
Views: 826

Virology - Calculations

... a codon of 3 nucleotides (990 Da) factors in to this?? **What is the molecular weight of single-stranded RNA needed to code for a capsid protein of 60 kilodaltons and how ...

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by mkay28
Mon Sep 16, 2013 1:05 am
 
Forum: General Discussion
Topic: Virology - Calculations
Replies: 1
Views: 826

Western Blot

... is to separate it according to how big it is, otherwise known as its molecular weight. When extracts are prepared from a cell, detergents can be used to make the proteins ...

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by MarkHolland
Sat Mar 30, 2013 3:22 pm
 
Forum: Cell Biology
Topic: Western Blot
Replies: 6
Views: 2586
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