The cell wall of a young plant cell, the (A)_____is capable of growth, which gradually diminish as the cell matures and the (B)_____ is formed on the inner side of the cell.

Answer

To solve the question regarding the cell wall of a young plant cell, we need to fill in the blanks (A) and (B) with the appropriate terms related to plant cell structure.

### Step-by-Step Solution:

1. **Understanding the Cell Wall**: The cell wall is a rigid outer layer found in plant cells that provides structure and support. In young plant cells, this cell wall is still developing and is flexible.

2. **Identifying (A)**: The first blank (A) refers to the young plant cell's cell wall, which is capable of growth. The term that describes this type of cell wall is "primary cell wall." This wall is formed during the growth of the cell and allows for expansion.

- **Fill in (A)**: Primary cell wall

3. **Identifying (B)**: As the plant cell matures, the primary cell wall is gradually replaced or supplemented by a more rigid structure. This structure is known as the "secondary cell wall," which is formed on the inner side of the primary cell wall and provides additional strength and support.

- **Fill in (B)**: Secondary cell wall

### Final Answer:
The cell wall of a young plant cell, the (A) **primary cell wall** is capable of growth, which gradually diminishes as the cell matures and the (B) **secondary cell wall** is formed on the inner side of the cell.

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