Ahmed makes a Venn diagram to compare active transport and passive transport across the cell membrane. Which label belongs in the region marked X?

Uses energy to work
Moves from high concentration to low concentration
Moves across the cell membrane
Is a form of diffusion

What was the effect of the supreme court’s ruling in citizens united v. federal election commission? a. it removed limitations on corporate funding of political broadcasts. b. it removed all limits on campaign contributions by interest groups. c. it prohibited corporations and businesses from contributing to political campaigns. d. it prohibited interest groups from contributing to individual candidates.

If you cannot see clearly around your car 100 ft in all directions as you approach an intersection, you should: a. make sure you're driving in the center lane b. reduce your speed to 15 mph c. wait to turn until the next intersection

In which of the following situations must you cross at least two different streams of opposing traffic? a. changing lanes b. turning left c. turning right