The beta-lactam group of antibiotics such as penicillins (i.e. Amoxicillin), cephalosporins (i.e. Cefuroxime), and carbapenems (i.e. Meropenem) is the most widely used group of antibiotics. Beta-lactams are bactericidal. Beta-lactams have no innate resistance to beta-lactamases (enzymes produced by bacteria to break down beta-lactam antibiotics), but they can be paired with a beta-lacamase inhibitor such as Clavulanic acid. Later generations of beta-lactams may offer resistance to beta-lactamases. Beta-lactams offer activity against a broad spectrum of bacterial pathogens, including gram-positive, gram-negative, and (in higher doses, such as Cefazolin) anaerobic coverage.
Answer:
a
Explanation:
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The answer is the first choice
D
Only eukaryotic cells have membrane bound organelles. Prokaryotes organelles just float in the cytoplasm.
A carbohydrate is an organic compound such as sugar or starch, and is used to store energy. Like most organic compounds, carbohydrates are built of small, repeating units that form bonds with each other to make a larger molecule. In the case of carbohydrates, the small repeating units are called monosaccharides.
