Answer:
Carbon based rings & chains form very large molecules because carbon can form up to 4 covalent bonds to form these rings and chains, and these bond with other rings and chains over and over. ... Lipids, proteins, carbohydrates, and nucleic acids are the 4 main types of carbon-based molecules in organisms.
Explanation:
the three accessory glands: the seminal vessicles, the bulbourrethhral gland, and the prostate
