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Animal Cell Culture — Revision Notes

CBSE · Class 12 · Biotechnology

Animal Cell Culture revision notes for CBSE Class 12 Biotechnology: 4 topics in quick points. Part of the CBSE Class 12 Biotechnology syllabus.

77 questions76 flashcards5 concepts

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An infographic illustrating the basic concept of animal cell culture, showing cells isolated from an animal tissue and then maintained and proliferated in vitro under controlled laboratory conditions.
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Key Topics to Revise

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1. Meaning, Features, and Basic Idea of Animal Cell Culture

  • Animal cell culture means keeping animal cells alive and multiplying them outside the body under laboratory conditions.
  • It is an in vitro process, unlike in vivo processes that occur inside the living body.
  • Cells are isolated from animal tissue and placed in a suitable medium to support survival and growth.
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2. Historical Development

  • Sydney Ringer developed a balanced salt solution in 1882 and kept frog hearts alive after dissection.
  • Ross Harrison published experiments in 1907 showing frog embryo nerve fibre growth in vitro.
  • Alexis Carrel introduced aseptic techniques to tissue culture in 1912 and used trypsin, embryo extracts, and animal serum.
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3. Culture Media and Supplements

  • A suitable growth medium is the most critical requirement for cell culture.
  • Culture media support cell survival, proliferation, pH balance, and osmolality.
  • Natural media consist of biological substances such as plasma, serum, and tissue extract.
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4. Physical Environment for Cell Growth

  • Animal cells require controlled temperature, pH, osmolality, gas mixture, and support surface.
  • CO2 incubators are used to grow mammalian cells at 37°C.
  • Typical mammalian cell culture conditions are 37°C, 95% humidity, and 5% CO2.

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Full Notes

Key Concepts

Animal cell culture is theA clone is a homogeneous populationImportant milestones include balanced salt solutionHenrietta Lacks was diagnosed with terminalCulture media supply nutrients

Frequently Asked Questions

What are the important topics in Animal Cell Culture for CBSE Class 12 Biotechnology?
Key topics in Animal Cell Culture include Meaning, Features, and Basic Idea of Animal Cell Culture, Historical Development, Culture Media and Supplements, Physical Environment for Cell Growth. Study these first, then practise questions on each for the CBSE Class 12 board exam.
How should I revise Animal Cell Culture for the CBSE Class 12 board exam?
Learn the core ideas first, then work through the 77 practice questions on Animal Cell Culture. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All CBSE Class 12 Biotechnology Revision Notes

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