<P> Some viruses have a bubble of fat that surrounds the virion . </P> <P> A segment of DNA or RNA; genes are like sentences made of the "letters" of the nucleotide alphabet . Genes direct the reproduction of viruses . Different types of viruses have genes made from DNA or RNA but not both . </P> <P> The animals, plants or bacteria that any one type of virus can infect . </P> <P> The viruses that reproduce in bacteria </P>

What is the term that means destruction of fat