Red blood cells carry to the lungs and to the tissues.

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

Produce proteins by following coded instructions that come from the nucleus of the cell.

Can yall plz me on this question im having a hard time think about it