NEET BIOLOGY

BIOLOGICAL CLASSIFICATION

VIRUSES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is a virus that infects bacteria cell called?
A
Bacteriophage
B
Influenza virus
C
Coronavirus
D
HIV
Explanation: 

Detailed explanation-1: -A bacteriophage is a type of virus that infects bacteria. In fact, the word “bacteriophage” literally means “bacteria eater, ” because bacteriophages destroy their host cells. All bacteriophages are composed of a nucleic acid molecule that is surrounded by a protein structure.

Detailed explanation-2: -Bacteriophages, also known as phages, are viruses that infect and replicate only in bacterial cells. They are ubiquitous in the environment and are recognized as the most abundant biological agent on earth. They are extremely diverse in size, morphology, and genomic organization [1][2][3].

Detailed explanation-3: -A bacteriophage (/bækˈtɪərioʊfeɪdʒ/), also known informally as a phage (/ˈfeɪdʒ/), is a duplodnaviria virus that infects and replicates within bacteria and archaea.

Detailed explanation-4: -A bacteriophage is a virus that infects a bacterial cell and reproduces inside it. They vary a lot in their shape and genetic material. A bacteriophage may contain DNA or RNA. The genes range from four to several thousand. Their capsid can be isohedral, filamentous, or head-tail in shape.

Detailed explanation-5: -It is a virus that infects bacteria. They are usually double-stranded DNA viruses. The nucleic acid is protected by a protein coat called the capsid, which consists of tiny subunits called capsomeres. These capsomeres have a helical or polyhedral geometric arrangement.

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