The primary function of _____ is to allow adjacent animal cells to communicate through cell-to-cell protein channels.

Structure 9 is/are the:

____ contain(s) digestive enzymes and function as the intracellular digestive units for the cell.

The process whereby white blood cells engulf bacteria is termed:

The main function of the light reactions is to:

Which of the following best explains the importance of cell respiration?

In Figure 3 the dots represent sugar, the blue color in the tube is water. The solute in this experiment is the:

In Figure 3, during the experiment, what will happen to the water level?

A nerve cell contains a high concentration of K+ ions. How can K+ ions continue to enter the cell?

Active transport requires ATP (energy).