Lydia noticed that she feels tired and out of breath after walking her dog up a hill in the park. which area of fitness does she need to improve?

a. cardiorespiratory
b. muscular strength
c. flexibility
d. body composition

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