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Bacteriophage is...

Bacteriophage is

A

Mycoplasma

B

Virus

C

Rickettsia

D

Spirochaete

Text Solution

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The correct Answer is:
**Step-by-Step Text Solution:** 1. **Understanding Bacteriophage**: A bacteriophage, often referred to as phage, is a type of virus that specifically infects bacteria. 2. **Identifying the Options**: The options given are mycoplasma, viruses, rickettsia, and spirochete. We need to determine which of these categories includes bacteriophages. 3. **Defining Each Option**: - **Mycoplasma**: These are a group of bacteria that lack a cell wall and are among the smallest living cells. - **Viruses**: These are infectious agents that can only replicate inside the living cells of an organism. Bacteriophages fall into this category. - **Rickettsia**: These are a type of bacteria that are obligate intracellular parasites, meaning they can only reproduce inside the cells of a host. - **Spirochete**: This refers to a group of bacteria that are characterized by their spiral shape. 4. **Conclusion**: Since bacteriophages are viruses that specifically target bacteria, the correct answer to the question "Bacteriophage is" is **viruses**. **Final Answer**: Bacteriophage is **viruses**. ---
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