Question

11. A thin outer boundary with which a cell is enclosed​

Answer 1

Answer:

Membrane, in biology, the thin layer that forms the outer boundary of a living cell or of an internal cell compartment. The outer boundary is the plasma membrane, and the compartments enclosed by internal membranes are called organelles.

Explanation:

I hope it's helpful

Answer 2

Answer:

plasma membrane

Membrane, in biology, the thin layer that forms the outer boundary of a living cell or of an internal cell compartment. The outer boundary is the plasma membrane, and the compartments enclosed by internal membranes are called organelles.