9-Letter Words Containing: N,E,M,O

• Any enzyme, generated by a cell, that functions outside of that cell.

• print produced by an engraving that has been scraped to represent light or shade

• any of a group of compounds that are inactive precursors of enzymes and require some change (such as the hydrolysis of a fragment that masks an active enzyme) to become active

• a small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes

• a protein that combines with a coenzyme to form an active enzyme

• A fertile black soil containing a very high percentage of humus (3% to 15%) and high percentages of phosphoric acids, phosphorus and ammonia.

• A seismic event occurring on the moon; the lunar equivalent of an earthquake.