it seems that the new infection has a different form of the transpeptidase enzyme that penicillin can't bind to. what is one other way suggested by the theory in the control of growth simulation by which a previously sensitive bacterial strain can become resistant to penicillin

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age range would be the answer

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called