The area around a cell has a high concentration of sodium ions. as a result, the cell membrane expands and bursts. which problem was the cell most likely having? a. the cell is unable to spontaneously generate.b. the cell is unable to build more protein molecules.c. the cell was unable to maintain a stable internal environment.d. the cell is unable to produce water molecules inside the cell.

he forgot to adjust the brightness and the curtain. Slowly move the knob so that the objective goes up. Continue until the image is okay

Pretty clear focus. Then use the knob, if available, for a clearer picture. If you are on a microscope with a moving specimen carrier, turn the coarse knob so that the table carrying the specimen moves down or away from the objective. This is exactly how to use a microscope focus regulator.

Explanation: