Question

1. why is the cell membrane described as “selectively permeable,” and why is this property important for homeostasis?

Explanation:

The cell membrane is selectively permeable as it allows certain substances like oxygen, water, and nutrients to pass through while blocking others such as large molecules and harmful substances. This property is crucial for homeostasis as it helps maintain a stable internal environment by regulating the entry and exit of substances, ensuring proper cell function and balance of ions and molecules inside the cell.

Answer:

The cell membrane is selectively permeable because it controls the movement of substances in and out of the cell. This property is important for homeostasis as it helps maintain a stable internal cellular environment by regulating the passage of necessary nutrients, ions, and waste products.