Near witch major city were iron works found

Which best explains why viruses do not have special structures or enzymes that allow them to make their own food? viruses can use energy in living cells that they infect. viruses can replicate inside a host that they infect. viruses can cause contagious illnesses in host cells. viruses integrate their rna or dna into infected cells.

Describe the function of the endomembrane system? what organelles are involved?

What is the most abundant vertebrate on earth?