Which of the following principles is NOT part of the theory of evolution by natural selection? Evolution is a gradual process that occurs over long periods of time.
O Mutations to genes are dangerous in populations and always lead to non-advantageous traits.
O Individuals that possess the most favorable variations have the best chance of reproducing.

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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enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products