Examlex
The five-kingdom taxonomic system is not especially old; for a long time, three kingdoms were recognized, then four, then (as of 1959) five. In light of Carl Woese's discovery of deep genetic divergence within the Kingdom Monera, why do you think he did not simply suggest adding a sixth kingdom rather than the supra-kingdom classification of domains?
Magnetic Field
A region around a magnetic material or a moving electric charge within which the force of magnetism acts.
Nuclear Magnetic Resonance
A spectroscopic technique that exploits the magnetic properties of certain atomic nuclei to determine the physical and chemical properties of atoms or the molecules in which they are contained.
Protons in Dichloromethane
Refers to the hydrogen atoms present in the chemical compound dichloromethane, which is an organochloride solvent.
60 MHz
A frequency measurement often associated with the radio frequency range, but in the context of NMR, refers to the operating frequency of some lower field NMR spectrometers.
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