You are studying a new operon that you have discovered in E. Coli that you have named the Late operon for its ability to help E. Coli grow and divide by feeding it Red Bull. You have

Which of the following statements about pH is (are) true: pH is a measure of free hydrogen ion concentration none of these are true both of these are true An increase in hydrogen ion concentration means a decrease in pH scale units

Changes to the sequence of nucleotides in DNA, or changes to chromosomes, are called

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