Eczema is caused by genetics abnormal functions in the immune system environment activities that causes the skin to become more sensitive defects in the skin barrier that allow moisture out and germs in

Which of these is not an example of molecular homology? 1. use of dna and rna as genetic material 2.use of glycolysis as the first step in cellular respiration in both plants and animals 3. the lack of an igf-1 gene in prokaryotes 4. the use of aldolase b to break down fructose in bacteria, plants and animals