Why are living organisms classified?
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Multiple Choice Question
Assertion (A): The classical pathway of the complement system is typically activated by antigen-antibody complexes.Reason (R): The C1 complex binds directly to the Fc region of IgG or IgM antibodies that are bound to antigens.कथन (A): पूरक प्रणाली (complement system) का क्लासिकल मार्ग (classical pathway) आमतौर पर एंटीजन-एंटीबॉडी कॉम्प्लेक्स द्वारा सक्रिय होता है।कारण (R): C1 कॉम्प्लेक्स सीधे IgG या IgM एंटीबॉडी के Fc क्षेत्र से जुड़ता है जो एंटीजन से बंधे होते हैं।
Explanation:
The classical complement pathway bridges innate and adaptive immunity. It is initiated when the C1q protein recognizes and binds to the Fc portion of antigen-complexed IgM or IgG.
क्लासिकल पूरक मार्ग (complement pathway) जन्मजात और अनुकूली प्रतिरक्षा को जोड़ता है। यह तब शुरू होता है जब C1q प्रोटीन एंटीजन से बंधे IgM या IgG के Fc भाग से जुड़ता है।
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This question belongs to the set "Biology Practice Test 9 – Unit 3 (Microbiology & Immunology – SET 1/4)". Click below to read detailed notes and attempt the full quiz.
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