Question

1. a cells plasma membrane acts as both a boundary and barrier for the cell. briefly explain how the walls and roof of a home are a good analogy for the plasma membrane.

Explanation:

The plasma membrane defines the cell's limits (boundary) and controls what enters/exits (barrier). Home walls/roof enclose the home (boundary) and protect from outside elements (barrier).

Answer:

The walls and roof of a home enclose the interior space (like the plasma membrane as a boundary) and shield the inside from external factors (like the plasma membrane as a barrier).