eraser

Motivating them are perks like erasers, finger traps, melon and egg bars and waffle parties.

One problem involved a basket of school supplies including erasers, notebooks and writing paper.

This is why RNA-methylation needs to be tightly controlled, taken care of by a set of proteins: "writers" deposit, "readers" recognize and "erasers" remove the methyl group.

When exposed to ultraviolet rays, the patch resets to a blank state, similar to erasing content from a sketchbook using an eraser.

“I always had to be the kid in class with the coolest pencils and erasers.”