Learning objective
Distinguish totipotent, pluripotent, multipotent and unipotent cells.
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Topic
Control of gene expression official content
Subtopic
Most of a cell's DNA is not translated
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Quick explanation
Distinguish totipotent, pluripotent, multipotent and unipotent 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 distinguish totipotent, pluripotent, multipotent and unipotent cells.
- The key ideas to know are multipotent, unipotent, and pluripotent.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
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
Which of the following cell types is capable of differentiating into any cell type in the body?
Direct answer
Totipotent cells can differentiate into any cell type, including extraembryonic tissues.
Key terms
- Totipotent: Stem cells that have the potential to differentiate into any cell type, including both embryonic and extraembryonic tissues.
- Pluripotent: Stem cells that can differentiate into almost all cell types derived from the three germ layers, but not into extraembryonic tissues.
Common trap
Confusing pluripotent and multipotent cells: Remember that multipotent cells are limited to a specific lineage, while pluripotent cells can become almost any cell type.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Explain how base-sequence changes can alter amino acid sequences.
Alteration of the sequence of bases in DNA can alter the structure of proteins
- Relate altered amino acid sequences to protein structure and function.
Alteration of the sequence of bases in DNA can alter the structure of proteins
- Explain how mutations can affect phenotype.
Alteration of the sequence of bases in DNA can alter the structure of proteins
- Interpret mutation information in unfamiliar contexts.
Alteration of the sequence of bases in DNA can alter the structure of proteins
- Explain that cell specialisation results from translation of only part of the DNA.
Most of a cell's DNA is not translated