Which of the following is true about an atom of iron and an atom of copper?

they have different masses.
both have the same properties.
they have an equal number of protons.
both have different types of sub-atomic particles.

Which step if the scientific method relies more heavily on newly collected data than on creativity and innovation

Competition occurs between species when

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.