Entry from British & World English dictionary
The ratio of the average mass of one molecule of an element or compound to one twelfth of the mass of an atom of carbon-12.
- With these diatomic molecules, there is an Avogadro's number of diatomic molecules in the amount of gas that is equivalent to the relative molecular mass.
- Hirudin, a 65 amino acid residue anticoagulant peptide with a relative molecular mass of 7000 Da purified from the leech Hirudo medicinalis, binds thrombin with high specificity and sensitivity.
- Cyanoalanine synthase activity has been localized mainly to mitochondria and has an apparent relative molecular mass of 53 000 to 60 000.
For editors and proofreaders
Line breaks: rela|tive mo¦lecu|lar mass
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