True or false? a prion is a pathogenic abnormal protein structure.

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.

This is a type pf behavior that animals are born with and them to survive

In each transformation of energy , some energy what?