When should standard precautions be used by healthcare workers caring for patients? ?

Me with this i need to get the answer quickly.

In many ways, the regulation of the genes of a particular group of viruses will be similar to the regulation of the host genes. therefore, which of the following would you expect of the genes of a bacteriophage? a) regulation via acetylation of histonesb) positive control mechanisms rather than negativec) control of more than one gene in an operond) reliance on transcription activators

Which of the following is considered unstructured data entry? a. drop down menu selection. b. entering free text in a data field. c. selection of check boxes. d. specialized note template.