### Answer Options Analysis
1. **Stem Cell** - This refers to a type of cell that has the ability to differentiate into different cell types. However, the expression directing differentiation comes from specific signals rather than the stem cell itself.

2. **Facial** - This term does not directly relate to cell differentiation in a biological context.

3. **Gene** - Genes are responsible for encoding the proteins and signals necessary for cell differentiation. In a broader context, gene expression is pivotal in determining cell fate.

4. **Epithelial** - This refers to a type of tissue made up of epithelial cells, but it is more about the structure than the process of differentiation.

### Final Answer
The correct answer is **Gene**. Gene expression plays a crucial role in directing cell differentiation by providing the necessary signals and proteins that lead to the development of specific cell types.

Question

### Answer Options Analysis
1. **Stem Cell** - This refers to a type of cell that has the ability to differentiate into different cell types. However, the expression directing differentiation comes from specific signals rather than the stem cell itself.
  
2. **Facial** - This term does not directly relate to cell differentiation in a biological context.
  
3. **Gene** - Genes are responsible for encoding the proteins and signals necessary for cell differentiation. In a broader context, gene expression is pivotal in determining cell fate.

4. **Epithelial** - This refers to a type of tissue made up of epithelial cells, but it is more about the structure than the process of differentiation.

### Final Answer
The correct answer is **Gene**. Gene expression plays a crucial role in directing cell differentiation by providing the necessary signals and proteins that lead to the development of specific cell types.

Knowee AI · Accepted Answer

### Answer Options Analysis
1. **Stem Cell** - This refers to a type of cell that has the ability to differentiate into different cell types. However, the expression directing differentiation comes from specific signals rather than the stem cell itself.
  
2. **Facial** - This term does not directly relate to cell differentiation in a biological context.
  
3. **Gene** - Genes are responsible for encoding the proteins and signals necessary for cell differentiation. In a broader context, gene expression is pivotal in determining cell fate.

4. **Epithelial** - This refers to a type of tissue made up of epithelial cells, but it is more about the structure than the process of differentiation.

### Final Answer
The correct answer is **Gene**. Gene expression plays a crucial role in directing cell differentiation by providing the necessary signals and proteins that lead to the development of specific cell types.

_____ expression directs cell differentiation.Multiple choice question.Stem cellFacialGeneEpithelial

Question

_____ expression directs cell differentiation.

Solution

Answer Options Analysis

Final Answer

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