Which statement is true? opinions can be scientifically tested. scientific theories are absolute and cannot be changed. scientists have learned all they’ll ever know about science. facts can be scientifically tested.

Facts can be scientifically tested. As opinion is based on people's thoughts. Scientific theories is only theoretical and new ideas can come into play. And finally we will never know everything about what science has to offer.

The comparison that lysosomes are similar to the recycling and garbage centers of a city is justified because the lysosomes are responsible for degrading biomolecules in the cell and these biomolecules are often unwanted. The lysosomes contain hydrolytic enzymes that break down the unwanted biomolecules and convert them to a form that will can be reused by the cell.