Based on your observations why is magnification important to the study of life science

In multicellular organisms, several cells of one particular kind interconnect with each other and perform shared functions to form tissues (for example, muscle tissue, connective tissue, and nervous tissue), several tissues combine to form an organ (for example, stomach, heart, or brain), and several organs make up an organ system (such as the digestive system, circulatory system, or nervous system). Several systems functioning together form an organism (such as an elephant, for example).

The answer is joseph is observing the colour of the reaction mixture to see whether proteins are present in the given solution.

4, two dominant and two recessive