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Part B Which of the following is a characteristic of the cell membrane? impermeable not permeable semipermeable fully permeable

Ask by Weber Guerrero. in the United States
Jan 24,2025

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Answer

The cell membrane is **semipermeable**.

Solution

The characteristic of the cell membrane is **semipermeable**. ### Explanation: - **Impermeable**: This would mean that nothing can pass through the membrane, which is not true for cell membranes. - **Not permeable**: This is similar to impermeable and also incorrect. - **Semipermeable**: This means that the cell membrane allows certain substances to pass through while blocking others, which is a key feature of cell membranes. - **Fully permeable**: This would imply that all substances can pass freely, which is also not true for cell membranes. Thus, the correct answer is **semipermeable**.

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Bonus Knowledge

The cell membrane is famously known for being semipermeable, which means it selectively allows certain substances to pass while blocking others. This characteristic is crucial for maintaining the internal environment of the cell, allowing essential nutrients to enter while keeping harmful substances at bay. Understanding the semipermeable nature of cell membranes is vital in various fields, like medicine and biotechnology. For example, drug delivery systems exploit this property to ensure that therapeutic agents can enter targeted cells effectively, while also navigating around potential barriers in the body. This knowledge can lead to innovative treatments and more effective pharmaceuticals!

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