The cell wall is a tough and rigid layer that surrounds some types of cells. It is located outside the cell membrane and its main function is to provide rigidity, strength, protection against mechanical stress and infection. It can also provide the cell with limited plasticity that will prevent the cell from rupturing due to turgor pressure.
The answer is energy, I think
Spoons are metal and to find metal bonds you need to use I microscope
Answer:
The <u>nuclear envelope</u> is composed of two concentric lipid bilayer membranes separated by an intermembrane space of about 20-40 nm. The outer membrane is continuous in many places with the rough endoplasmic reticulum. Like the rough ER the outer membrane of the nuclear envelope is dotted with ribosomes.
