EVERYDAY SCIENCE

SCIENCE

VIRUS AND BACTERIA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
a non-living infectious organism
A
virus
B
euglena
C
amoeba
D
bacteria
Explanation: 

Detailed explanation-1: -Virophages are a type of virus that attacks other viruses. Viruses have the following non-living characteristics: They don’t have cytoplasm or cellular organelles, and they’re not cells. Within the infected host cell, new viruses are produced and assembled.

Detailed explanation-2: -Finally, a virus isn’t considered living because it doesn’t need to consume energy to survive, nor is it able to regulate its own temperature.

Detailed explanation-3: -First seen as poisons, then as life-forms, then biological chemicals, viruses today are thought of as being in a gray area between living and nonliving: they cannot replicate on their own but can do so in truly living cells and can also affect the behavior of their hosts profoundly.

Detailed explanation-4: -A virus is a microscopic organism that can replicate only inside the cells of a host organism. Most viruses are so tiny they are only observable with at least a conventional optical microscope. Viruses infect all types of organisms, including animals and plants, as well as bacteria and archaea.

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