Why are lipids important in the cell membrane structure of living organisms?
They form a barrier that controls what enters and leaves the cell.
The cell membrane is made mainly of a phospholipid bilayer, in which lipids arrange themselves with water-loving heads outward and water-repelling tails inward.
This lipid bilayer forms a selectively permeable barrier that controls which substances can enter and leave the cell, maintaining the internal environment.
Storing genetic information and giving instructions for protein synthesis are functions of nucleic acids (DNA and RNA), and catalysing biochemical reactions is the role of enzymes, which are proteins, so those options do not describe the lipid function.
Hence, lipids are important because they form a barrier that controls what enters and leaves the cell.
Similar Questions
_____________ are known as the powerhouse of the cell.
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- Who coined the term 'protoplasm'?
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Important Questions from Cell
In a plant cell, which one of the following contains their own DNA?
Which one of the following structures or components is not always present in living cells?
Which one of the following statements about animal cells and plant cells is correct?
- Which one of the following statements about vacuoles' is not correct?
- A cell is unable to synthesize lipids. Which of its cell organelles might be defective?
