Which of the following statements about viruses is FALSE? Which of the following statements about viruses is FALSE? Viruses contain DNA or RNA but never both. Viruses have genes. Viruses use the anabolic machinery of the cell. Viruses contain a protein coat. Viruses use their own catabolic enzymes.

Viruses use their own catabolic enzymes.

Explanation:

Viruses are the infective particles present in the environment which encloses their genetic material which could be wither RNA or DNA enclosed in the protein coat.

The protein coat is made of the capsomers which are arranged in the tubular structure forming capsid. The viruses do not contain the metabolic machinery of their own that is the reason that they do not have replication or transcription or translation machinery. For this they are dependent on the host organisms as they use their machinery.

Thus, the selected option is correct.

the sphincter muscles at the end of the digestive tract is the anus.

i believe it would cause an increase of percipitation, though i could be wrong. so i would say b is the answer.