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Learning objective

Explain induced pluripotent stem cells.

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Topic

Control of gene expression official content

Subtopic

Most of a cell's DNA is not translated

Aqa A Level BiologyThe control of gene expression

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Quick explanation

Explain induced pluripotent stem cells

  • This point belongs to Control of gene expression official content, especially Most of a cell's DNA is not translated.
  • You need to be able to explain induced pluripotent stem cells.
  • The key ideas to know are stem cell and pluripotent.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

stem cellpluripotent

Why it matters

This objective helps connect Most of a cell's DNA is not translated to exam-style questions, flashcards, and revision notes for Control of gene expression official content.

Quick student answer

What is the primary characteristic of induced pluripotent stem cells (iPSCs)?

Direct answer

Induced pluripotent stem cells are reprogrammed from adult somatic cells, allowing them to exhibit pluripotency.

Key terms

  • Reprogramming: The process of converting differentiated cells back into a pluripotent state, typically through the introduction of specific transcription factors.
  • Differentiation: The process by which a less specialized cell becomes a more specialized cell type, often involving changes in gene expression.

Common trap

Confusing iPSCs with embryonic stem cells: iPSCs are derived from adult somatic cells and are reprogrammed to a pluripotent state, while embryonic stem cells are derived from the inner cell mass of a blastocyst.

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