Enzyme that synthesizes urea
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Multiple Choice Question
Consider the following statements about the Complement System:1. It is a cascade of serum proteins that enhances immune defense.2. The alternative pathway requires antigen-antibody complexes for initiation.3. The terminal outcome of complement activation is the formation of the Membrane Attack Complex (MAC).Which of the statements is/are TRUE?पूरक प्रणाली (Complement System) के बारे में निम्नलिखित कथनों पर विचार करें:1. यह सीरम प्रोटीन का एक कैस्केड है जो प्रतिरक्षा रक्षा को बढ़ाता है।2. वैकल्पिक मार्ग (alternative pathway) को शुरू होने के लिए एंटीजन-एंटीबॉडी कॉम्प्लेक्स की आवश्यकता होती है।3. पूरक सक्रियण का अंतिम परिणाम मेम्ब्रेन अटैक कॉम्प्लेक्स (MAC) का निर्माण है।कौन सा/से कथन सत्य है/हैं?
Explanation:
Statements 1 and 3 are true. Statement 2 is false because the alternative pathway is antibody-independent and initiated directly by microbial surface components.
कथन 1 और 3 सत्य हैं। कथन 2 गलत है क्योंकि वैकल्पिक मार्ग एंटीबॉडी-स्वतंत्र है और सीधे माइक्रोबियल सतह घटकों द्वारा शुरू किया जाता है।
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This question belongs to the set "Biology Practice Test 10 – Unit 3 (Microbiology & Immunology – SET 2/4)". Click below to read detailed notes and attempt the full quiz.
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