September 30


EPIGENETICS and GENE EXPRESSION A-level Biology. How methyl and acetyl groups control transcription

By heheals

September 30, 2020

Epigenetics is the heritable change in gene function, without changing the DNA base sequence. Learn the impact of methylation and acetylation on inhibiting and initiating transcription (turning genes on and off).
Learn how epigenetics can lead to cancer.

For past paper questions linked to this topic click these links.

Any questions or feedback please comment below 🙂 Don’t forget to subscribe.

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Recommended Revision and textbooks:
AQA A-level Biology textbook (this is what I use at my school)- OUP
CGP revision guide
CGP workbook
Maths skills for A-level Biology
Synoptic essay book
AQA A-level biology practical skills guide
A-level Year 1 workbook
A-level Year 2 workbook

AQA GCSE Biology (the book I use with students at school)
GCSE Biology workbook
Revision and practice questions
Practical skills workbook

Gear to create videos on my blog:
Go Pro Hero 7 for all practical video footage and time lapses
Surface Pro Laptop
Toshiba 1TB external portable hard drive

Image credits

Music: Soho – Riot

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