polypeptide

"to unfold a map; to unfold a tablecloth; she unpacks the new dress and unfolds it carefully"

"The teacher determined the rules for the classroom project, setting clear limits on the length of presentations. "

"Several assistants were present at the school play. "

"My family has a different ideal for my future than I do. "

"The box containing my old toys was stored in the attic. "

"The birds had built an amazing structure out of sticks and various discarded items."

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"The bird's secondary feathers are essential for its flight. "

"The scientist analyzed the data to find a solution. "

"The teacher's lesson plan was together, covering all the key concepts logically. "

"The skin cream contained an oligopeptide to help reduce wrinkles. "

"The functional analysis course focused on definite integrals, a type of mathematical function. "