what is so small it can only be seen with an electron microscope?
clouds cell DNA ovum HIV magnified h2o RNA
A B C D E F G H
Where most viruses are DNA, HIV is an RNA virus.
HIV is so small it can only be seen with an electron microscope
what is so small it can only be seen with an electron microscope? (A) clouds (B) cell (C) DNA (D) ovum (E) HIV (F) magnified (G) h2o (H) RNA