The main component of cell membranes is phospholipids - which form a bilayer (with polar heads facing outwards and tails facing inwards).
There are four functions of proteins within the cell membrane. The four functions of proteins are active transport, cell recognition, cell communications, and are used as enzymes in the cell membrane.
ATP (adenosine triphosphate) is the primary molecule used to store energy in living organisms. Lipids, specifically phospholipids, make up most of the cell membrane structure.
The terms "plasma membrane" and "cell membrane" are often used interchangeably to refer to the same structure. Both terms refer to the semipermeable lipid bilayer that surrounds the cell and controls the movement of substances in and out of the cell.
The membrane sac formed by pinching off pieces of cell membrane is called a vesicle. Vesicles are used for intracellular transport of proteins and other molecules within the cell.
Facilitated diffusion is the transport process used by the cell membrane to speed up the intake of glucose. This process involves the use of protein channels or carriers to help glucose molecules pass through the membrane.
Phospholipids.
Carrier proteins are a type of molecule that can be used as a tunnel to move compounds across the cell membrane. These proteins bind to specific molecules and undergo conformational changes to transport them across the membrane. This process is known as facilitated diffusion.
Facilitated diffusion uses proteins to move a molecule across the cell membrane without energy.
Protein.
haemoglobin
The glucose transporter is a membrane bound protein that binds to glucose and mediates it's transport into or out of the cell.
protein molecules in the cell membrane
No, in fact most of the cell membrane consist of phospholipids and proteins. Integral proteins are mostly used for transport and other functions and the phospholipids which have a polar phosphate head and nonpolar lipid (fat) tails.
Low concentration to high concentration; ATP is used
Usually, the membrane will burst and let its contents out into the cell membrane and get used up.
An animal cell by a trillion times over. A single molecule would be a single tail of a hydrocarbon which is used to make the lipid bilayer. This is made up of millions of phospholipids. Each has a tail and this is only the outer membrane of the cell which contains a huge amount of material.
Low concentration to high concentration; ATP is used