GK Question

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Lipid nanoparticles (LNPs) in mRNA vaccines protect the mRNA and facilitate its entry into cells via ________.

  1. Diffusion
  2. Endocytosis
  3. Osmosis
  4. Active transport

Answer: Endocytosis

LNPs fuse with cell membranes or are internalized via endocytosis; endosomal escape releases mRNA into cytoplasm for translation. Key innovation enabling mRNA vaccine efficacy and stability. [[ICMR Reports, NCERT Biology Class 12]]

Topic Biology - mRNA Therapeutics
Exam Relevance UPSC CSE, SSC Scientific Assistant, CSIR NET
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