Let's think step by step! Some viruses have an envelope of
Options:
- (A) fats and proteins
- (B) allow growth
- (C) aerobic capacity
- (D) keeps the organism warm
- (E) wavelengths and photons
- (F) Chemical energy
- (G) looseness
- (H) To keep their body heat.
The thinking starts now:
Some viruses have an envelope of phospholipids and proteins. Phospholipids are body fats, too. Some viruses have an envelope of fats and proteins. The final answer: (A).