Cell Membranes
A cell membrane is a thin wall that surrounds the cell and allows substances to enter and leave the cell
Proteins are organic molecules that catalyze reactions, transport oxygen, and repair and build tissue.
Carbohydrates are organic molecules that are the main source of energy.
Phospholipids are lipids that contain a phosphate group abd make up the cell membrane in two layers
Phospholipid heads are the top portion of a phospholipid and attract and mix with water
Phospholipid tails are the bottom portion of a phospholipid and don't mix or repel water
Carbohydrates are organic molecules that are the main source of energy.
Phospholipids are lipids that contain a phosphate group abd make up the cell membrane in two layers
Phospholipid heads are the top portion of a phospholipid and attract and mix with water
Phospholipid tails are the bottom portion of a phospholipid and don't mix or repel water