10 sentences with 'viruses'
Example sentences and phrases with the word viruses and other words derived from it.
• « This simple organisation is due to the fact that viruses are "obligate" parasites, i.e. they cannot reproduce unless they parasitise a cell. »
• « Any cell type - animal or plant - can be attacked by viruses, and each virus parasitises only a specific variety of cells. »
• « To reproduce, viruses must invade a cell, insert their own dna, and modify the host's reproductive machinery so that it produces new viruses. »
• « But there are viruses of other types, which get into the nucleus of a cell and stay there forever. »
• « For millions of years, viruses, bacteria and other carriers of genetic information have guarded their vital secrets. »
• « Historians now refer to this enormous distribution of plant and animal species, as well as bacteria and viruses, as the Columbian Exchange. »
• « On the other hand, we are faced with new and old bacteria and viruses (Ebola, hepatitis, influenza, AIDS) that strike regularly, intensifying the war between them and us: in many cases we have no antibiotics or vaccines to combat them. »
• « Untreated water, which carries bacteria (cholera, typhoid) and viruses (polio, viral hepatitis). »
• « Propolis (from the Greek pro: forward; polis: city) is found in greater quantities at the entrance to the hive, precisely to prevent viruses and bacteria from entering the bees' "city" - hence its name. It also serves as a supporting "cement" in the construction of the honeycomb, prevents water from seeping in, and with it these insects mould the alveoli where they lay their eggs. »