Indicate whether each of the following descriptions better applies to bacterial (B), fungal (F), protozoan (P), or viral (V) pathogens. Your answer would be a four-letter string composed of letters B, F, P, and V only, e.g. FFFB.
( ) They cannot be all grouped neatly into a single phylogenetic tree.
( ) They have the most complex life cycles.
( ) They are essentially fragments of nucleic acid wrapped in a protective shell of proteins and (in some cases) an outer membrane.
( ) They are responsible for diseases such as polio and smallpox.

Question

Indicate whether each of the following descriptions better applies to bacterial (B), fungal (F), protozoan (P), or viral (V) pathogens. Your answer would be a four-letter string composed of letters B, F, P, and V only, e.g. FFFB.
( )	They cannot be all grouped neatly into a single phylogenetic tree.
( )	They have the most complex life cycles.
( )	They are essentially fragments of nucleic acid wrapped in a protective shell of proteins and (in some cases) an outer membrane.
( )	They are responsible for diseases such as polio and smallpox.

Quizplus · Accepted Answer

Viral genomes (made up of DNA or RNA) are packaged in a protein coat called a capsid. Some viruses are enclosed by a lipid bilayer membrane, or envelope. Viruses cause diseases such as polio, smallpox, and the common cold.

Indicate Whether Each of the Following Descriptions Better Applies to Bacterial