Aseries of different values that are grouped together is called a

Value range

Explanation:

A series of different values grouped together is called the value range. These values are related to the elements of art. Each value corresponds to an element. In a certain comment these elements are grouped, forming a set of different values. This set is commonly referred to as the "value range" and designates the merging of different artistic elements.

cell regulation is conducted by special proteins.