What role do the cell membrane and the nucleus play in the cell?
The nucleus controls the cell and the cell membrane contains it
They have many roles. A big role is energy storage. they also play a large role in the structure of the cell membrane. they compose the phospholipid bilayer of the cell membrane and act as a semipermeable membrane to regulate what enters and exits the cell. They can also be protective in the form of waxes.
It is important to remember the following: Animal cell: Cell membrane, Plant cell: Cell membrane, cell wall. The role of a cell membrane is to monitor what exits and enters the cell and therefore maintain the internal environment of it, to contain the contents of the cell and to provide some sort of protection for it. The role of a cell wall which is unique only to plant cells, is to protect the cell inside…
What property of phospholipid make them ideal for making up the selectively permeable cell membrane?
The nuclear envelope is a double-layered membrane that encloses the contents of the nucleus during most of the cell's lifecycle NE is believed to play a role in organization and transcriptional activity of chromatin the nuclear envelope is a protective surface that surrounds the nucleus. The nuclear envelope acts as a filter allowing certain materials in and out of the cell
Plasma membrane separates the cell from its surrounding environment. Molecules of the cell membrane are arranged in a sheet. A cell controls what moves through the membrane by means of membrane proteins embedded in the phospholipid bilayer Some membrane proteins have carbohydrates attached to them, forming glycoproteins that act as identification markers.
The nucleus consists of 4 parts:- 1. Nuclear Membrane It sepearates the nucleus from the cytoplasm and enable exchange of substances between cytoplasm and nucleoplasm. 2. Nucleoplasm It is a jelly like fluid ocupying the space between cytoplasm and nucleolus. 3. Nucleolus It is a small spherical body in the nucleoplasm. 4. Chromosomes Chromosomes are present in the nucleoplasm and play a significant role in passing character from older generations to newer generations. They can…