Which of these best describes why certain bacteria have become resistant to penicillin?

1. fold your hands together so your thumbs cross over ,and look at your thumbs. which thumb feels most "comfortable" on top is actually controlled by a gene. the left thumb folding over the right thumb is a domi

This is a biological reaction due to a stimulus. i need this quickly !

asap plz when a charge is dropped from a felony to a misdemeanor, which type of plea bargain has happened? ? a. vertical b. horizontal c. avoidance of stigma d. reduced sentence