How do the Danielli-Davson and Robertson models of cell membrane resemble ?

Explanation

**Step-by-Step Solution:**

1. **Introduction to the Models:**
- The Danielli-Davson model and the Robertson model are two important theories that describe the structure of the cell membrane.

2. **Phospholipid Bilayer:**
- Both models emphasize the presence of a phospholipid bilayer as a fundamental component of the cell membrane. Phospholipids are molecules that have a hydrophilic (water-attracting) "head" and two hydrophobic (water-repelling) "tails."

...