Plant Cell Wall
The plant cell wall is usually divided into two parts: a primary wall and a secondary wall. The primary wall surrounds a plant cell capable of growth, while the secondary wall surrounds specialized cells, like fiber cells. Nevertheless, both parts are made of the poly-saccharide cellulose, which is very rigid and help the cell wall do its job of supporting a plant cell, and also protecting it from certain materials, such as harmful pathogens. The cell wall works with the cell membrane. Together, they control what can enter or leave a plant cell and allow the cell to grow and contract.
Cell Membrane
The cell membrane is located in both plant and animal cells. Made of a phospholipid bi-layer with embedded proteins, it surrounds a cell's cytoplasm and, in a plant cell, sits just behind the cell membrane. The cell membrane is used to control what gets in or out of the cell. It also helps to protect the cytoplasm and organelles, and give a cell structure or shape. The membrane works with every single organelle in the cell by controlling what can enter or leave. If there is too much build-up of something in the cell, or an organelle needs something outside the cell, the membrane helps it get to where it needs to be.
The Cytoplasm
The cytoplasm sits just inside the cell membrane of both plant and animal cells. It is made of cytosol, the organelles and cytoplasmic inclusions. It also has three main functions:
1. Cytoplasm is the substance for suspension for the organelles inside a cell. This means that the organelles are held in place, instead of moving around and crashing into each other as the cell does its job.
2. Cytoplasm is the main substance of transport for genetic material and other products inside the cell. This means that for anything to leave or enter the cell, the cytoplasm has to carry it through to, or from the, cell membrane. Without cytoplasm, foreign objects would be going to the wrong organelles or even building up and hurting the organelles.
3. Cytoplasm's last function is to protect the cell's genetic material and organelles in case of collision with another cell. Cytoplasm acts as a buffer or cushion for genetic material and organelles. If it weren't for cytoplasm, every time a cell crashed, it would die.
Cytoplasm doesn't just work with the membrane; it works with everything in the cell. Being a transporter, it can carry things from every organelle to the cell membrane, and vice versa. Without cytoplasm, there would be build-up, and lack of, substances in the cell, and the cell would not be able function.
1. Cytoplasm is the substance for suspension for the organelles inside a cell. This means that the organelles are held in place, instead of moving around and crashing into each other as the cell does its job.
2. Cytoplasm is the main substance of transport for genetic material and other products inside the cell. This means that for anything to leave or enter the cell, the cytoplasm has to carry it through to, or from the, cell membrane. Without cytoplasm, foreign objects would be going to the wrong organelles or even building up and hurting the organelles.
3. Cytoplasm's last function is to protect the cell's genetic material and organelles in case of collision with another cell. Cytoplasm acts as a buffer or cushion for genetic material and organelles. If it weren't for cytoplasm, every time a cell crashed, it would die.
Cytoplasm doesn't just work with the membrane; it works with everything in the cell. Being a transporter, it can carry things from every organelle to the cell membrane, and vice versa. Without cytoplasm, there would be build-up, and lack of, substances in the cell, and the cell would not be able function.