This article is about the aqueous solution. For the gas, see hydrogen chloride. Hydrochloric acid is a corrosive, strong mineral acid with many industrial uses. A colorless, highly pungent solution of hydrogen chloride (HCl) in water, when it reacts with an organic base it forms a hydrochloride salt.
Bacteria are intercellular organisms (i.e. they live in-between cells); whereas viruses are intracellular organisms (they infiltrate the host cell and live inside the cell). They change the host cell's genetic material from its normal function to producing the virus itself.
Best Answer: Bacteria are single cell microscopic organisms & are everywhere Parasites are a organisms that feed off others for their own benefit. Viruses are a microscopic particles that can infect the cells of a biological organism.Basically they can all make you sick in one way or another.The main difference is that bacteria and viruses are not considered true life forms while parasites are.iruses are a microscopic particles that can infect the cells of a biological organism. Basically they can all make you sick in one way or another. The main difference is that bacteria and viruses are not considered true life forms while parasites are.