I believe the correct answer would be actin filaments. These are polmers that are linear with G-actin as subunits that attaches ith myosin heads during the skeletal muscle contraction. They are necessary for cell shape, adhesion and contraction.
Pharmaceutical medicine is the medical scientific discipline concerned
with the discovery, development, evaluation, registration, monitoring
and medical aspects of marketing of medicines for the benefit of
patients and the health of the community.
developmentally appropriate practice (DAP) is an approach to teaching grounded in the research on how young children develop and learn and in what is known about effective early education. Its framework is designed to promote young children’s optimal learning and development. DAP involves teachers meeting young children where they are, both as individuals and as part of a group; and helping each child meet challenging and achievable learning goals.