Complete the statement to describe the sodium-potassium pump.

The sodium-potassium pump moves
ions into the cell and
ions out of the cell.

Rick is on a bicycle trip. every 4 days he bikes 230 km. if rick keeps this same pace for 16 days, how many kilometers will he bike?

How are 3-d printers useful in studying evolution? a. to color the fossils of organisms b. to create clones of extinct organisms c. to create replicas of fossils d. to prepare paper cutouts of organisms e. to study the composition of fossils

Which one of the following flowers can be described as having broad, spear-like foliage and fragrant little white bell-shaped flowers?