Viruses are able to regulate gene expression by switching the genes on or off. How might this regulation of their genetic code benefit the virus?

What is the next step in muscle contraction after the actin changes shape? (apex)

Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.

5points what is term for the process of gathering information through images taken at a distance? o a. global positioning o b. topography o c. remote sensing o d. cartography submit