Question

define the following plasma membrane - organelles - nucleus -

Explanation:

Plasma membrane is a biological membrane that separates the interior of all cells from the outside environment, controlling the movement of substances in and out of the cell. Organelles are specialized structures within a cell that perform specific functions. The nucleus is a membrane - bound organelle that contains the cell's genetic material (DNA) and controls cellular activities such as growth, metabolism, and reproduction.

Answer:

Plasma membrane: A biological membrane separating cell interior from the outside, controlling substance movement.
Organelles: Specialized structures in a cell with specific functions.
Nucleus: A membrane - bound organelle containing cell's genetic material and controlling cellular activities.