Plant cell need a thick protective coating because they can not move away from danger. This means that they need an extra line of defense.
Plant cells have cell walls because it is used to hold up the plant. Its basically the bones to the plant. It keeps the plant upright. Without cell walls a tree could not stand up straight.
The protective covering over some nerve cells is called the myelin sheath.
cell wall
For plant cells, they have a cell membrane and covering the cell membrane is a cell wall. The cell wall is for the structure of the plant. For animal cells, they just have a cell membrane.
It seems to be a protective tissue.
myelin sheath
The protective covering over some nerve cells is called the myelin sheath.
yes the correct answer is skin cells.
cell wall
It is the cell membrane. Plant cells also have a rigid structure called a cell wall.
It is a Ribowosome :D
For plant cells, they have a cell membrane and covering the cell membrane is a cell wall. The cell wall is for the structure of the plant. For animal cells, they just have a cell membrane.
cell membrane
It seems to be a protective tissue.
myelin sheath
The thick outer covering you are refering to is called the cell wall found in plant cells. I dont know why they have it I guess its just there.
Yes. Lipids are found in the protective coating of the cell membrane of cells. They are also used to store chemical energy, as we synthesize fat polymers from fatty acids / triglycerides.
The white blood cells, T cells, B cells, etc. are the protective element of blood.Blood clots in response to an injury, which protects against its excessive loss from the cardiovascular system. White blood cells protect against disease by carrying on phagocytosis and producing proteins called antibodies. Blood contains additional proteins, called interferons and complement, that also help protect against disease.