Q: Fact 1: Some viruses have an envelope of phospholipids and proteins. Fact 2: Phospholipids are body fats, too. Given the two facts above, some viruses have an envelope of?

Possible answers:
+ fats and proteins;
+ allow growth;
+ aerobic capacity;
+ keeps the organism warm;
+ wavelengths and photons;
+ Chemical energy;
+ looseness;
+ To keep their body heat.;
A:
fats and proteins