Adisease called phenylketonuria causes mental diseases, reduces skin pigmentation, and also affects the coloration of urine. what kind of effect is exhibited by the gene responsible for this disease?

The table lists the observations students made about four specimens under a microscope. based on these observations, what specimens did the students examine? animal plant virus prokaryote cell membrane present ribosomes present lysosomes present nuclear membrane present cell wall present ribosomes present nuclear membrane absent cell wall present ribosomes present nucleus present large vacuole present reproduces inside of a cell nucleus absent rna present 2019 edmentum all rights reserved intl