Questions: 14 of 96 Concepts completed (i) Multiple Choice Question Which cellular structure is critical for identifying your body's own healthy cells from tranisplanted tissuie? Glycocalyx Mitochondrion Smooth ER Centrosome Need help? Revlew these concept resources.

The answer is the first one: Glycocalyx.

Explanation for each option:

• Glycocalyx: This is the correct answer. The glycocalyx is a glycoprotein and glycolipid covering that surrounds the cell membranes of some cells, including those in the human body. It plays a crucial role in cell recognition and communication, which is essential for the immune system to distinguish between the body's own healthy cells and foreign cells, such as those from transplanted tissue.

• Mitochondrion: This is incorrect. Mitochondria are the powerhouses of the cell, responsible for producing energy in the form of ATP. They do not play a direct role in cell recognition or immune response.

• Smooth ER: This is incorrect. The smooth endoplasmic reticulum is involved in lipid synthesis and detoxification processes. It does not have a role in identifying cells or immune response.

• Centrosome: This is incorrect. The centrosome is involved in organizing microtubules and is important for cell division. It does not contribute to cell recognition or immune system functions.

In summary, the glycocalyx is the cellular structure critical for identifying your body's own healthy cells from transplanted tissue.