Problem: Does "Within all of these perspectives, adolescence is viewed as a transitional period between childhood and adulthood, whose cultural purpose is the preparation of children for adult roles." answer the question "A thorough understanding of adolescence in society depends on what?"

A: no

Problem: Does "The concept of a gene continues to be refined as new phenomena are discovered." answer the question "What are some gene products?"

A: no

Problem: Does "However, the septa are often incomplete in annelids that are semi-sessile or that do not move by peristalsis or by movements of parapodia for example some move by whipping movements of the body, some small marine species move by means of cilia (fine muscle-powered hairs) and some burrowers turn their pharynges (throats) inside out to penetrate the sea-floor and drag themselves into it." answer the question "How does peristalsis work?"

A:
no