In a study comparing the genetic contribution to eating disorders, researchers found that in ___% of identical twin pairs both twins had bulimia nervosa, while that number was ___% of fraternal twin pairs. Although this does not rule out the influence of environmental and sociocultural factors, it does present compelling evidence for a genetic contribution to these conditions.

Where does the information about where each transcription factor binds originate?

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.

Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.