Describe the general structure of viruses and compare enveloped to non-enveloped viruses.
A) Non-enveloped viruses have a protein coat only, while enveloped viruses have an additional lipid membrane
B) Enveloped viruses have a protein coat only, while non-enveloped viruses have an additional lipid membrane
C) Both enveloped and non-enveloped viruses have a lipid membrane surrounding the protein coat
D) Both enveloped and non-enveloped viruses lack a lipid membrane
