U.S. National Library of Medicine
Compounds and molecular complexes that consist of very large numbers of atoms and are generally over 500 kD in size. In biological systems macromolecular substances usually can be visualized using ELECTRON MICROSCOPY and are distinguished from ORGANELLES by the lack of a membrane structure.
The numerical value of macromolecular substances in Chaldean Numerology is: 5
The numerical value of macromolecular substances in Pythagorean Numerology is: 3
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"macromolecular substances." Definitions.net. STANDS4 LLC, 2017. Web. 26 Jun 2017. <http://www.definitions.net/definition/macromolecular substances>.