The goal of the Alexander Technique is to teach people to restore an optimal relationship between head and spine, and, when necessary, replace faulty concepts that cause the mis-coordination, what Alexander called âmistaken beliefsâ, with more accurate, constructive concepts.
Making the world better, one answer at a time. The two structures that surround the prokaryotic cell are the cell membrane or plasma membrane and the cytoskeleton.owever plant cells, in addition to the cell membrane also have the cell wall outside the cell membrane. This provides mechanical rigidity to the cell and prevents the flow of larger particles.
The Structure of Prokaryote and Eukaryote Cells During the 1950s, scientists developed the concept that all organisms may be classified as prokaryotes or eukaryotes. The cells of all prokaryotes and eukaryotes possess two basic features: a plasma membrane, also called a cell membrane, and cytoplasm. However, the cells of prokaryotes are simpler than those of eukaryotes. For example, prokaryotic cells lack a nucleus, while eukaryotic cells have a nucleus. Prokaryotic cells lack internal cellular bodies (organelles), while eukaryotic cells possess them. Examples of prokaryotes are bacteria and archaea.