fine structure of plasma mambrane that can only be seen with electron microscope is called ultra structure of plasma mambrane the ultra structure of plasma mambrane is that this mambrane is consist of phospholipid bilayer in which protien molecules are embbeded at intervals in mosaic mannaer.
covers the nucleus
encloses the nucleus
The nictitating membrane is the transparent layer the covers the outside of a frogs eye. Frogs have a so-called Nictitating membrane, which they can slide over their eyes for protection. They do this while jumping and swimming.
IT CONTROLS WHAT GOES IN AND OUT OF THE CELL
Periosteum
depends on the species.
yes they do
A nictitating membrane The nictitating membrane is the THIRD eyelid, the SECOND eyelid that you asked about is just that, the eyelid, just like in humans
A plasmamembrane.
controls what get in and out of the cell and shapes the cell
The nictitating membrane is part of a frog's eye. It is just above the lower lid and acts as a protective third eyelid.