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Finley receives carbohydrates and proteins - along with vitamins, minerals and electrolytes - three times a day into his stomach via a different tube.

That gene makes the gut of the female about 20% bigger than the gut in male fruit flies, and makes the female more prone to tumors by activating proteins that cause cell division.

"We can make proteins, fats, carbohydrates, fibres and they can be combined to make different dishes."

These photoreceptors also regulate things like sexual and asexual development and metabolism, accumulation of protective pigments and proteins, and growth.

Her team is looking at how the presence of certain proteins in the blood could indicate the likelihood of future inflammation in the brain.