Proteins.
Prostoglandins are lipidic substances.
First of all what is a biological molecule? Its a group of substances that make up and helps with proper functioning of a living organism. There are several different types of biological molecules: - Carbohydrates - Proteins - Salts - Lipids -etc.
The circulatory system transports the substances in your blood to your body cells.
the xylem transports water and the phloem transports organic substances.
Endoplasmic Reticulum
tRNA
oxygen transport to cell & carbondioxide away from cells.
VesiclesCell walls are the small structure. This is what transports the substances.
It transports materials
Vesicle
The vesicles because it contains and transports various substances such as protein
placenta