<span>False. The plasma membrane is the outer layer of the membrane and its primary purpose is to protect the cell from its surroundings. It is selectively permeable to allow ions and other organic molecules to pass through and regulates which molecules are allowed in and out of the cell. It is a phospholipid bilayer that are placed back-to-back.</span>
Manfaat menjaga kebersihan lingkungan antara lain: Terhindar dari penyakit yang disebabkan lingkungan yang tidak sehat. Lingkungan menjadi lebih sejuk. Bebas dari polusi udara
