Some common antibiotics are listed. The action of each antibiotic is described. 1 rifampicin – inhibits RNA polymerase 2 streptomycin – inhibits 70S ribosomes 3 neomycin – inhibits DNA synthesis 4 ampicillin - inhibits peptidoglycan synthesis Which of these antibiotics will affect the activities of bacterial cells only?

Which feature of the disease cholera decreases the spread of the pathogen Vibrio cholerae?

What defines infectious diseases?

A hurricane destroys a large town on an island. People move away from the town and set up tents, where sanitation is …

Some stains can be used to identify cell structures in living cells. A dilute solution of one stain causes the whole …

When mucus is secreted from a goblet cell, these events take place. 1 addition of carbohydrate to protein 2 fusion of…

Which molecules have a structural formula that contains C=O bonds? 1 amino acids 2 fatty acids 3 glycerol 4 protein