Which of the Following Statements Concerning Cells Is Incorrect

question 90

Multiple Choice

Which of the following statements concerning cells is incorrect?

• A) cells serve as the living building blocks of the body.
• B) the average human cell is about one hundred times smaller than the smallest particle visible by the unaided eye.
• C) inanimate chemical molecules are organized within each cell into a living entity.
• D) cells are generally colorless and transparent so they must be stained for visualization under a microscope.
• E) the three major subdivisions of a cell are the plasma membrane, the nucleus, and the cytoplasm.

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Definitions:

Plasma Membrane

The plasma membrane is the biological membrane that separates the interior of all cells from the outside environment, controlling the passage of substances in and out of the cell.

Membrane Potential

The voltage across a cell's plasma membrane, representing a difference in electrical charge inside and outside the cell.

Afterpotential

The transient change in membrane potential that occurs following a nerve impulse, affecting neuron excitability.

Depolarization

The process by which a cell's membrane potential becomes less negative, leading to an action potential in nerve and muscle cells.