In terms of enzyme nomenclature, what is a k system?

Allosteric enzyme

Explanation:

A K system is an allosteric enzyme for which the apparent affinity of the enzyme for its substrate is altered in the presence of effector and for which the apparent Vmax does not change. ... KM is a constant for any enzyme.

which are post-impressionist paintings? check all that apply?

explanation:

post-impressionism is a predominantly french art movement that developed roughly between 1886 and 1905, from the last impressionist exhibition to the birth of fauvism. post-impressionism emerged as a reaction against impressionists' concern for the naturalistic depiction of light and color.

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