View Available Hint(s) Which statement is INCORRECT concerning animal viruses? a. Retroviruses use an enzyme called reverse transcriptase, which synthesizes DNA using RNA as a template. b. The genome of animal viruses is always single-stranded. c. Enveloped viruses are surrounded by a lipid and carbohydrate coat, which is made from the host cell's plasma membrane. d. Capsid proteins are produced in the cytoplasm.