The sequence of amino acids in a protein is determined by DNA. In a protein that is present in all species, the amino acid sequence will be different. Once a protein has been chosen, the amino acid sequence of that protein in different species are compared. More similarities, or fewer differences, indicate that two species are closely related. (sorry if im wrong!)
<span>Tap water is one of the three test conditions of the independent variable, the type of water.</span>
He had no proof to back up this theory and was rejected by the scientific community. People only found evidence after he died. Please make me brainliest
