Q: Some viruses have an envelope of\nOptions:\n- (A) fats and proteins\n- (B) allow growth\n- (C) aerobic capacity\n- (D) keeps the organism warm\n- (E) wavelengths and photons\n- (F) Chemical energy\n- (G) looseness\n- (H) To keep their body heat.
Let's think step by step below.

User
Some viruses have an envelope of phospholipids and proteins. Phospholipids are body fats, too. Some viruses have an envelope of fats and proteins.
Thus, the answer is (A).
Assistant