Which statement about cells is true? a)they vary in size but are all the same shape. b)they vary in shape but are all the same size. c)they vary in size and shape. d)they are the same size and shape.

Blood made up of red and white blood cells work together to form

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs

Which term most precisely describes the cellular process of breaking down large molecules into smaller ones? a) catalysis b) metabolism c) anabolism d) dehydration e) catabolism