Two goals of philosophy of physical activity are: (1) to understand how confident we can be about our claims in kinesiology; and (2) to learn how we ought to behave in sport and in our professional lives as kinesiologists.

All of the following statements about enzymes are correct except: proteolytic enzymes are also known as proteases. pectin methyl esterase causes browning of cut fruit. cloud loss in orange juice is due to enzyme activity. proteolytic enzymes in fish cause tissue softening during storage.