What is the difference between bacteria and virus?

6 answers

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ANSWER #1 of 6

Bacteria are large single celled prokaryote microorganisms that can come in different shapes and sizes. Not all bacteria are bad. Some of them are actually helpful to humans. But a virus is an infectious agent and can infect anything and causes disease

ANSWER #2 of 6

the thing i know fer sure is that viruses are alive and bacteria arent considered a living organism.

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ANSWER #3 of 6

It's the other way around. But basically right.

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ANSWER #4 of 6

Viruses are the smallest and simplest life form known. They are 10 to 100 times smaller than bacteria.
The biggest difference between viruses and bacteria is that viruses must have a living host - like a plant or animal - to multiply, while most bacteria can grow on non-living surfaces.
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.
There are some useful bacteria but all viruses are harmful.
Antibiotics can kill bacteria but not viruses.
An example of a disease caused by bacteria is strep throat and an example of an affliction caused by a virus is the flu.

Bacteria carry all the "machinery" (cell organelles) needed for their growth and multiplication. Bacteria usually reproduce asexually. In case of sexual reproduction, certain plasmids genetic material can be passed between bacteria. On the other hand, viruses carry mainly information - for example, DNA or RNA, packaged in a protein and/or membranous coat. Viruses harness the host cell's machinery to reproduce. Their legs attach onto the surface of the cell, then the genetic material contained inside the head of the virus is injected into the cell. This genetic material can either use the cell's machinery to produce its own proteins and/or virus bits, or it can be integrated into the cell's DNA/RNA and then translated later. When enough "baby" viruses are produced the cell bursts, releasing the new viral particles. In a sense, viruses are not truly "living," but are essentially information (DNA or RNA) that float around until they encounter a suitable living host.


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ANSWER #5 of 6

yes take it from a biology major...viruses depend on a living host and cannot be killed, bc they are not alive! You have to wait until they r out of your system. Bacteria can be killed by antibiotics, but make sure you take all the medicine your doctor gives you so you wont get sick again. But some bacteria are good. they live inside out digestive tract, and our womanly parts...

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ANSWER #6 of 6

oops sorry guys i thought i put the right thing down til i reread it lol

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