Biology
Grade-9
Easy
Question
What is the name of part A in the diagram given below?
- Protein
- Vitamin
- Carbohydrate
- Lipid
Hint:
The lipid bilayer is a thin polar membrane made of two layers of lipid molecules. These membranes are flat sheets that form a continuous barrier around all cells.
The correct answer is: Lipid
- A lipid bilayer is a biological membrane consisting of two layers of lipid molecules.
- Each lipid molecule, or phospholipid, contains a hydrophilic head and a hydrophobic tail.
- The tail regions, being repelled by water and slightly attracted to each other, congregate together.
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