During the action of a sodium-potassium pump, 50 atp molecules were spent. predict how many sodium ions are transported across the cell membrane.

Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.

The graph indicates the running route for tobias. which best describes his run? from time 0 to 6, he went fast and then slowed down. from time 6 to 10, he was at his slowest. from time 12 to 14, he went very slow. from time 14 to 18, he went toward the starting point.

Achemist weighed out 101.g of silver. calculate the number of moles of silver she weighed out.