The cell membrane acts as a selective barrier. It allows essential nutrients in, removes waste and protects internal structures. It maintains balance and supports communication between the cell and its environment.
Class 8 Science Grade 8 Chapter 2 The Invisible Living World: Beyond Our Naked Eye question answer
Class 8 NCERT Science Curiosity Chapter 2 The Invisible Living World: Beyond Our Naked Eye solutions
The cell membrane plays a vital role in maintaining life processes. It controls the entry and exit of substances, ensuring nutrients like oxygen and glucose enter, while waste products leave. This selective transport maintains internal balance or homeostasis. It also helps cells communicate and respond to external signals, making it crucial for cell survival, growth and functioning.
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