Diana Frances Spencer was born in Norfolk, England on July 1, 1961. She was born into a high ranking and important British family. Her father, John Spencer, was a Viscount when she was born and would later inherit the title of Earl.
Cell Membrane. The cell membrane surrounds the cell. This membrane acts like a barrier for the cell, meaning that it allows only certain things to pass in or out of the cell but not everything. Each organelle inside a Eukaryotic cell is also surrounded by a membrane.These membranes serve as a selective barrier for the organelles.ell Membrane. The cell membrane surrounds the cell. This membrane acts like a barrier for the cell, meaning that it allows only certain things to pass in or out of the cell but not everything. Each organelle inside a Eukaryotic cell is also surrounded by a membrane.
cell membrane. A cell membrane is like a cell's gatekeeper. It's the outer layer that surrounds a cell, letting substances in â or keeping them out. A membrane is a barrier that offers protection, like a rubber membrane that keeps rain from seeping under your roof. A cell membrane surrounds and protects the contents of a cell. It controls which substances can enter and exit the cell. The membrane also gives a cell its shape and enables the cell to attach to other cells, forming tissues.