One group received a food rich in substances that turn on a gene that causes weight gain. The other group received a food rich in nutritional supplements that protect against such weight gain.
What does 'turn on' mean?
Top answer
activate
— GPY
activate
Free · every Monday
Get the Weekly English Kit 📬
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.