if I were to add salt to water and freeze it, the water would take longer to freeze or is it that it needs a colder temperature to freeze? If i wanted to do this experiment how would I test it, based on time or changing the temperature?

What must be done to breed dogs for a partical trait

The law of states that traits are passed from parents to offspring independently of one another.. true or false

You are studying a protein that you call protein x. there is an aspartic acid at a key position in protein x which is important in the folding and stabilization of that protein. if this aspartic acid is changed to a different amino acid, which type of amino acid substitutions is most likely to allow the protein to fold normally?