Differentiate between deferent types of viruses? Explain the ways or the methodology

1- How can we differentiate between deferent types of viruses? Explain the ways or the methodology?

2- Explain why enzymes are so important and how can affect at the metabolic rate? Please use examples with your explanations.

1- How can we differentiate between deferent types of viruses? Explain the ways or the methodology

2- Explain why enzymes are so important and how can affect at the metabolic rate? Please use examples with your explanations.