Which of the following descriptions correctly identifies a main structural difference between viruses with envelopes and viruses without envelopes?
1) Viruses with envelopes have an outer lipid membrane layer, while viruses without envelopes do not.
2) Viruses with envelopes have a protein coat, while viruses without envelopes do not.
3) Viruses with envelopes have a larger genome, while viruses without envelopes have a smaller genome.
4) Viruses with envelopes can infect both animals and plants, while viruses without envelopes can only infect animals.
