Learning objective
Explain that cell specialisation results from translation of only part of the DNA.
Read the explanation, check the common trap, then practise with flashcards and questions.
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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
Explain that cell specialisation results from translation of only part of the DNA
- 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 that cell specialisation results from translation of only part of the DNA.
- The key ideas to know are cell, results, and that.
- 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 statements best describes the process of cell specialization?
Direct answer
Only certain genes are expressed in specific cell types.
Key terms
- Transcription: The process of synthesizing RNA from a DNA template, leading to the production of mRNA.
- Cell specialization: The process by which generic cells develop into specialized cells with specific functions.
Common trap
Confusing transcription with translation: Remember that transcription involves creating mRNA from DNA, while translation involves synthesizing proteins from mRNA.
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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
- Distinguish totipotent, pluripotent, multipotent and unipotent cells.
Most of a cell's DNA is not translated