methyl

"The prisoners were kept in a secure compound. "

"Gasoline is a hydrocarbon fuel used in many cars. "

"The coach was confirming the players' dedication by making them practice harder. "

"Hydrogen is the simplest chemical element, with only one proton in its atom. "

"The police identified the thief using security camera footage. "

"The radical proposed a new school policy to improve student access to resources. "

"The twins share a striking identity; they look exactly alike. "

"An officer is attached to a certain regiment, company, or ship."

"During the cell division process of meiosis, if a pair of chromosomes fails to match up properly, the single, unpaired chromosome is called a univalent. "

"The attachment of the student's name tag to their backpack was a simple but necessary step before class. "

"He was dressed too formally for the occasion."

"Hydrogen chloride is a diatomic molecule, consisting of a hydrogen atom and a chlorine atom."