Providing energy, insulating body organs, and maintaining body temperature are functions of fats. They are also important in the maintenance of healthy hair and skin and encouraging healthy function of the cells. Also, they are responsible of carrying the fat soluble vitamins such as vitamins A, D and E for distribution to the cells.
Water is the energy source for the hydrologic cycle
Answer:
Some viruses, especially animal viruses, have an envelope surrounding their nucleocapsid. This envelope may have viral proteins embedded in it. Why are the viral proteins more readily recognized and targeted by the immune system than the envelope?
1) Enveloped viruses are often coated with animal cell membrane as they leave the cell. This membrane is a major component of the viral envelope. The viral proteins are more readily recognized by the immune system, as they are more distinct from the materials normally found in and on the cells. However, the envelope can contain several types of viral components as well.
Explanation:
This envolope from viruses that has proteins are better for the immune system to recognize them. Because enveloped viruses use similar mechanisms for delivery of genetic material into cells, there may be ways to prevent infection before viral entry that would be effective for large numbers of different viruses.
No predators exist to eat them and keep the population at a stable size.
Answer: option 3. hollow forms are left in sediment by decaying organisms.
Explanation: Fossils usually form when sediment buries a dead organism. As sediment piles up, the organism's remains are subjected to pressure and heat. These conditions force gases and liquids from the body. A thin film of carbon residue is left, forming a silhouette of the original organism called a carbon film.
i’m not fully confident in this answer though :/