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Most viruses can remain airborne a very short time. Usually sunlight or dry air will inactive them.
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How are bacteria different from viruses?
viruses are not alive. APEX
Why can dehydrated food be stored for a long time without worry of it being contaminated by bacteria?
Because bacteria needs moisture to survive.
Is a bacterial cell unicellular?
unicellular, however sometimes they are associated in groups or long strings.
What is the difference between bacteria and viruses?
Bacteria are single-celled organisms that exist throughout the environment. They live in water, soil, and the air. Bacteria live in and on all animals and plants. Some cause disease, some are beneficial and some have no known impact on the animals they live on or in. Viruses are DNA or RNA, sometimes wrapped in protein coatings. They cannot survive outside a living cell. Viruses cannot reproduce on their own. They use the mechanisms of the living cells they infect to reproduce themselves and in the process they can damage or destroy those cells, causing disease to the animal or plant involved.
What two characteristics have helped bacteria survive on earth for so long?
Adaptability: Their ability to adapt quickly to extreme conditions and survive frozen or in extreme heat. Reproduction: Their Reproductive rates are incredible high, fast and asexual.
How are bacteria different from viruses?
viruses are not alive. APEX
How do viruses spead?
by not washing your hands and being to touchy There are two vectors (means of spreading) viruses: air and surface. Airborne viruses usually are able to survive without a host for longer periods, and are passed by sneezing, coughing, and breathing. Surfaceborne viruses are passed by direct contact. These viruses must come into contact with the mucus membranes of a new host to survive for very long. While the lifespan of a hostless virus is usually short, there are some exceptions. For instance, HIV survives outside the host for only several seconds, however, most strains of hepatitis can survive on a surface without a host for two weeks.
Where do virus and bacteria come from?
Viruses and bacteria have been around long before we have been. They evolved in the ocean and seas as did other animals and fish.
How long can Swine Flu survive on your hands?
Influenza viruses can survive on environmental surfaces and can infect a person for 2 to 8 hours after being deposited on the surface. If you frequently wash your hands for more than 20 seconds, and avoid touching your face, you may reduce your exposure.
Why can dehydrated food be stored for a long time without worry of it being contaminated by bacteria?
Because bacteria needs moisture to survive.
How long would a diamond sphere two inches thick survive on the Suns surface?
It wouldn't survive the trip to the sun's surface. It would be burned up long before it got there.If you "teleported" it onto the sun's surface it would be instantly vaporized.
How long can hiv virus live in open air?
The length of time that cold or flu germs can survive outside the body on an environmental surface, such as a doorknob, varies greatly. But the suspected range is from a few seconds to 48 hours - depending on the specific virus and the type of surface. Flu viruses tend to live longer on surfaces than cold viruses do. Also, it's generally believed that cold and flu viruses live longer on nonporous surfaces - such as plastic, metal or wood - than they do on porous surfaces - such as fabrics, skin or paper.
Why are some bacteria able to survive for long periods of time?
some bacteria can survive feeding on other organisms. Also, Bacteria can be spread in sicknesses so once spread the bacteria will be given to someone else and be keeping it living. Sometimes, when an area isn't cleanly the bacteria will be spreading and causing sickness and keeping it alive. As I said, bacteria can feed on other organisms making it stay alive. Sorry if I missed something.
Does the bacteria tetanus need a host to survive?
No. The bacterium Clostridium tetani forms an endospore and can survive for long periods of time. When the endospore is introduced into a favorable environment it begins to metabolize.
Can high blood pressure cause a kidney infection?
Infections are due to bacteria or viruses but long term high blood pressure can damage kidneys
How long does a cold virus live in your home?
It can last up to 2 weeks. The length of time that cold or flu germs can survive outside the body on an environmental surface, such as a doorknob, varies greatly. But the suspected range is from a few seconds to 48 hours - depending on the specific virus and the type of surface. Flu viruses tend to live longer on surfaces than cold viruses do. Also, it's generally believed that cold and flu viruses live longer on nonporous surfaces - such as plastic, metal or wood - than they do on porous surfaces - such as fabrics, skin or paper.
Is Swine Flu aerobic?
It is not classified that same way as bacteria are. Bacteria are classified as aerobic or anaerobic to indicate if they are aerobic (require oxygen to function) or anaerobic (live in an oxygen-free environment). But bacteria are living organisms very different from viruses (swine flu is caused by a virus). Viruses are not "alive", they live off a host animal or plant (and even on bacteria) and cause the living organisms to metabolize and provide for them. Viruses don't really care if there is or is not an oxygen rich atmosphere as long as the environment is good for their host (in most cases, this is an aerobic environment.)
