Here you can find CCEA past papers for GCSE Biology (Single Science). Use the links below to download question papers and mark schemes (which contain the answers). If you’re unsure whether you need ...

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Researchers discovered that a tiny structural feature of the enzyme GPX4 helps keep neurons safe. A rare mutation removes ...

A new study suggests that certain genetic differences, passed down from ancient human ancestors, and exposure to common ...

Raffan and colleagues recently analyzed the genetic codes of 1,300 golden retrievers, and compared them to their behavioral ...

Many of the ancient southern Africans, including those who lived between about 10,200 and 1,400 years ago, "fall outside the ...

Disease development is often shaped by genetics, with how much or how little a gene is expressed influencing disease risk.

When DNA breaks, cells must repair it accurately to prevent harmful mutations. Researchers have discovered that during a key ...

To the research team working to save him, KJ Muldoon was first known only as Patient Eta. But within months, KJ’s name — and ...

An ancient, shared set of human-specific genes underwent changes in a geographically isolated population after around 300,000 years ago, scientists say.

An archaeon reads the same codon in two different ways, overturning a doctrine that has stood for 60 years. Living organisms ...

A team of scientists from Monash University has identified a single gene in a land plant that could help explain how plants ...