The cell membrane is the outer covering of a cell, protects it and maintains the shape of the cell.
A cell membrane
cell membrane
Plasma membrane
It is the cell membrane. Plant cells also have a rigid structure called a cell wall.
NO
It is a cell wall that surrounds the cell outside its cell membrane
Yes.
Most cells have cell mebranes. The answer here is probably animal cells, since plants have more rigid cell walls.
Like all insects, grasshoppers have exoskeletons.
Yes. All types of muscle have endomysium covering individual muscle cells.
Like all birds, the emu's body covering is feathers,although they are fine and wispy.
protects from all directions