## Core Concept
Adhesion molecules are proteins located on the cell surface that play a critical role in cell-cell and cell-extracellular matrix interactions. They are essential for various cellular events, including adhesion, migration, and signaling. The main families of adhesion molecules include selectins, integrins, cadherins, and immunoglobulin-like cell adhesion molecules.

## Why the Correct Answer is Right
The correct pairing involves understanding the specific roles and interactions of different adhesion molecules in cellular events. For instance:
- **Selectins** typically interact with carbohydrates (like sialyl-Lewis X) on other cells, facilitating the initial rolling of leukocytes on endothelial cells.
- **Integrins** are crucial for firm adhesion and transmigration of leukocytes across the endothelium, interacting with immunoglobulin-like molecules (e.g., ICAM-1) and components of the extracellular matrix.
- **Cadherins** are primarily involved in cell-cell adhesion through homophilic interactions.
- **Immunoglobulin-like molecules** (e.g., ICAM-1, VCAM-1) interact with integrins on leukocytes.

## Why Each Wrong Option is Incorrect
**Option A:** This option might seem correct depending on the specific molecules listed, but without specifics, it's hard to assess directly. However, if it inaccurately pairs adhesion molecules with their functions or interacting partners, it would be incorrect.

**Option B:** Similarly, this would be incorrect if it misrepresents the interactions or roles of adhesion molecules in cellular events.

**Option C:** This option could be incorrect if it suggests a pathway or interaction that does not accurately reflect known adhesion molecule functions.

**Option D:** Given that this is the correct answer, it presumably inaccurately represents a combination regarding adhesion molecules in cellular events, possibly by suggesting an incorrect interaction or function.

## Clinical Pearl / High-Yield Fact
A key point to remember is that **integrins** require activation to effectively bind their ligands, which is a critical step in the adhesion cascade, especially during inflammation. This activation often involves a conformational change in the integrin molecule itself.

## Correct Answer: D.