choline

"The prisoners were kept in a secure compound. "

"Ethanol is a hydroxy compound used in hand sanitizers. "

"The development of this story has been slow."

"The pregnant woman in my history class is due in June. "

"Salt is an essential for cooking a good soup. "

"The cell membrane controls what enters and leaves the cell. "

"The formula for calculating the area of a rectangle is length times width. "

"Regular exercise is important for maintaining good cardiovascular health. "

"The chemistry teacher explained that ammonium, formed when ammonia gains a proton, is a key ingredient in many fertilizers. "

"The cleaning spray contained a quaternary to effectively kill bacteria and viruses. "

"Vegetables are a good source of nutrients for a healthy diet. "

"The intricate formation of the puzzle pieces allowed the child to assemble a picture of a dog. "