The basic molecule of cell membranes having polar and non-polar group is _______.

Explanation

To answer the question, "The basic molecule of cell membranes having polar and non-polar group is _______," we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Cell Membranes**:
- The cell membrane, also known as the plasma membrane, is the outermost layer of the cell. It separates the internal environment of the cell from the external environment.

2. **Composition of Cell Membranes**:
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