Which of the following best decribes the fluoride content of bottled water? unpredictable, high, low, moderate

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

Explain what happens at the saturation point when adding salt to water at room temperature.

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products