The flu is a disease caused by the flu virus. many other diseases, like pneumonia, are caused by bacteria. do all microorganisms cause harm to the human body?

No, many microorganisms, like those in your gut, are beneficial.

Explanation:

the binding of the substrate is dictated by the shape of each molecule. side chains on the enzyme interact with the substrate in a specific way, resulting in the making and breaking of bonds.

the  frequency of a wave represents  the number of wavelengths that pass a specific point per second. the unit for  frequency  is hertz (hz).

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