Examlex
The activities that must be completed prior to the start of an activity in question are called the immediate ________ of the activity in question.
Reaction
A process in which substances interact to form one or more new substances with different properties.
β-lactams
A class of antibiotics that include penicillins, characterized by a four-membered lactam ring.
Penicillins
A group of antibiotics derived from Penicillium fungi, effective against a wide range of bacterial infections by inhibiting cell wall synthesis.
Cephalosporins
A class of β-lactam antibiotics derived from Acremonium, which are effective against a wide range of bacterial infections.
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