why does a chemical equation need to be balanced in order to support the law of conservation of matter? a) it has to show that the total amount of matter increases over time, b) it has to show that atoms of a single element cannot form different compounds, c) it has to show how existing matter can be destroyed by a chemical reaction, d) it has to show that atoms cannot be created from nothing

Which of the following statements is true regarding a basic amino acid? a.) the hydrophilic r group of a basic amino acid will be located on the interior of a protein b.) the positively charged r group of a basic amino acid could bind dna c.) the r group of a basic amino acid would only be able to form covalent bonds with other molecules d.) a basic amino acid would be considered both polar and hydrophobic e.) all of the above