What is the reason behind that an organism cannot live or die in the presence of both light and molecular oxygen?

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#Question id: 23229

#Unit 2. Cellular Organization

If flagella is present at polar end of bacteria then the bacteria is called as?

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#Question id: 19918

#Unit 13. Methods in Biology

Affinity constant (Ka) in between the antigen-antibody interaction can be analysed by which method?

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#Question id: 1300

#Unit 4. Cell Communication and Cell Signaling

Which of these is NOT a component of plant cell walls?

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#Question id: 28286

#Unit 5. Developmental Biology

Which of the following statement is correct about mechanical block to polyspermy?

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#Question id: 5102

#Unit 5. Developmental Biology

Why was the evolution of the extraembryonic membranes crucial for colonization of land by the vertebrates? Extraembryonic membranes ________.