However, this not an all or nothing phenomenon: only about 26% (105/401) of yeast complexes consist of solely essential or solely nonessential subunits.
Loss of living beings is the most important and this is the only loss taken into consideration for many nonessential industrial and commercial applications.
For example, tigers are tigers in virtue of possessing a particular set of genetic properties, but identifying (or appearance-based) properties are nonessential properties.