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Mark the correct-
- a)interferons are not cytokinine barrier
- b)MALT not located in urogenital tract
- c)reverse transcription occur inside nucleus of host
- d)alpha interferon is based on active immunity
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Mark the correct-a)interferons are not cytokinine barrierb)MALT not lo...
Explanation- NCERT page no- 158
This question is part of UPSC exam. View all NEET courses
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Mark the correct-a)interferons are not cytokinine barrierb)MALT not lo...
Understanding the Correct Answer: Option D
Option D states that "alpha interferon is based on active immunity." Let's dissect this statement and clarify its accuracy.
What are Interferons?
- Interferons are a group of signaling proteins produced by host cells in response to viral infections.
- They play a crucial role in the immune response but are not classified as antibodies or components of active immunity.
Active Immunity Explained
- Active immunity occurs when an individual's immune system is exposed to a pathogen and generates a specific immune response, including the production of antibodies.
- This can happen naturally through infection or artificially through vaccination.
Alpha Interferon
- Alpha interferon is a type of cytokine involved in the immune response against viruses.
- It does not directly provide immunity like antibodies do; rather, it enhances the overall immune response, helping cells resist viral infections.
Why Option D is Incorrect
- Alpha interferon does not create active immunity. Instead, it is part of the innate immune response, which is immediate and nonspecific.
- It assists in the activation of immune cells but does not lead to the formation of memory cells or long-term immunity associated with active immunity.
Conclusion
- The correct interpretation is that alpha interferon is involved in immune modulation rather than being a direct component of active immunity.
- Therefore, option D is misleading, and the other options are more accurately aligned with immunological principles.
Overall, while alpha interferon is significant in the immune response, it does not constitute active immunity as traditionally defined.
Option D states that "alpha interferon is based on active immunity." Let's dissect this statement and clarify its accuracy.
What are Interferons?
- Interferons are a group of signaling proteins produced by host cells in response to viral infections.
- They play a crucial role in the immune response but are not classified as antibodies or components of active immunity.
Active Immunity Explained
- Active immunity occurs when an individual's immune system is exposed to a pathogen and generates a specific immune response, including the production of antibodies.
- This can happen naturally through infection or artificially through vaccination.
Alpha Interferon
- Alpha interferon is a type of cytokine involved in the immune response against viruses.
- It does not directly provide immunity like antibodies do; rather, it enhances the overall immune response, helping cells resist viral infections.
Why Option D is Incorrect
- Alpha interferon does not create active immunity. Instead, it is part of the innate immune response, which is immediate and nonspecific.
- It assists in the activation of immune cells but does not lead to the formation of memory cells or long-term immunity associated with active immunity.
Conclusion
- The correct interpretation is that alpha interferon is involved in immune modulation rather than being a direct component of active immunity.
- Therefore, option D is misleading, and the other options are more accurately aligned with immunological principles.
Overall, while alpha interferon is significant in the immune response, it does not constitute active immunity as traditionally defined.
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Mark the correct-a)interferons are not cytokinine barrierb)MALT not located in urogenital tractc)reverse transcription occur inside nucleus of hostd)alpha interferon is based on active immunityCorrect answer is option 'D'. Can you explain this answer?
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