Cell BiologyVery High Exam FrequencyAQAEdexcelOCRWJEC

Stem Cells and Cell Differentiation

Stem cell types, differentiation processes, therapeutic applications, embryonic vs adult stem cells, and ethical considerations

What you'll cover

  • Stem cell definition and properties
  • Embryonic stem cells characteristics
  • Adult stem cells and locations
  • Cell differentiation process
  • Specialization vs pluripotency
  • Stem cell therapy applications
  • Bone marrow and blood cell production
  • Plant meristem tissue
  • Ethical issues in stem cell research
  • Induced pluripotent stem cells (iPSCs)
  • Regenerative medicine potential
  • Stem cell research regulation

Sample Flashcards

What is a stem cell?
An undifferentiated cell that can divide to produce more stem cells (self-renewal) or differentiate into specialized cell types.
What does 'totipotent' mean?
The highest level of potency - cells can differentiate into any cell type in the organism plus extraembryonic tissues like the placenta. Example: fertilized egg.

Sample Questions

What is a stem cell?

  • A. An undifferentiated cell that can divide to produce many cell types
  • B. A specialized cell found only in plant roots
  • C. A cell that has already differentiated into a nerve cell
  • D. A bacterial cell that divides by binary fission
1 markfoundation

Explain how sperm cells are adapted for their function.

3 marksstandard

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25

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