The cells are held together by a Ca- Pectate layer called

Options

A. Primary cell wall
B. Secondary cell wall
C. Middle lamella
D. Tertiary cell wall

Answer

To answer the question, "The cells are held together by a Ca- Pectate layer called," we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Cell Layers**:
- Cells have different layers that contribute to their structure and function. These layers include the primary cell wall, secondary cell wall, middle lamella, and tertiary cell wall.

2. **Identifying the Function of Each Layer**:
- The **primary cell wall** is the first layer formed and is primarily composed of cellulose.
- The **secondary cell wall** is formed inside the primary wall and is thicker, providing additional support.
- The **middle lamella** is a layer that acts as a glue between adjacent plant cells, helping to hold them together.
- The **tertiary cell wall** is less commonly referred to and does not play a significant role in cell adhesion.

3. **Recognizing the Composition**:
- The question specifies a layer made of **calcium pectate**. Calcium pectate is a component found in the middle lamella, which is crucial for cell adhesion.

4. **Selecting the Correct Answer**:
- Since the middle lamella is the layer that contains calcium pectate and serves to hold cells together, the correct answer to the question is **middle lamella**.

### Final Answer:
The cells are held together by a Ca- Pectate layer called **middle lamella**.

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