true or false. in early stage of development, binding of the E protein to MyoD keeps it inactive in promoting muscle gene expression.

Which conditions need to be in balance for cells to function? check all that apply. blood sugar food intake body water body temperature body mass

What molecule contains an organisms genetic material, passed down from parents to their offspring

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.