The main component of cell membranes is phospholipids - which form a bilayer (with polar heads facing outwards and tails facing inwards).
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The answer is proteins.
The answer is proteins.
Phospholipids form the lipid bilayer that are the basis of cell membranes.
phospholipids
phospholpipids.
In animal cells cytokinesis occurs when a cleavage furrow(a groove in the cell surface) forms around the cell. This furrow narrows the cell across the centre and eventually pinches it into two new cells.In plant cells a cleavage furrow does not form. Instead a cell plate forms across the equator of the cell. The cell plate consists of small vesicles which fuse to form two membranes across the cell. The new membranes fuse with the existing cell membranes and a new cell wall forms between them.
Phospholipids make up the majority of the bilayer that forms cell membranes. These phospholipids have hydrophilic (water-attracting) heads and hydrophobic (water-repelling) tails, allowing them to form a stable barrier in the cell membrane. Other lipids, such as cholesterol and glycolipids, also play a role in the structure and function of cell membranes.
The most common type of cell membrane is a phospholipid.
The endoplasmic reticulum forms passageways throughout the cell, serving as a network of membranes that helps with the transport of proteins and other substances within the cell.
These are mostly phospholipds and a few cholesterols.
Phospholipids are the primary type of molecule that forms the cell membrane. They have hydrophilic (water-attracting) heads and hydrophobic (water-repelling) tails, allowing them to arrange in a bilayer to create the cell membrane.