Giving 30 points to whoever can answer this ! antibiotics destroy a bacterial infection by disabling ribosomes in the bacteria. eukarotic cells contain mitochondria that themselves contain ribosomes while bacterial cells have no organelles and thus have uncontained ribosomes. how do chemists use this fact to create antibiotics that can destroy a bacterial infection without harming human cells?

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

Cpr, or cardiopulmonary resuscitation, is a first-aid technique to save lives. it involves compressions of the patient's chest cavity. which description is the best description of the functions of chest compressions in cpr? chest compressions are done to pump the heart. chest compressions are done to strengthen the rib bones. chest compressions increase carbon dioxide inhalation. chest compressions allow the patient's muscles to wake up.