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Which cell type will perform the functio...

Which cell type will perform the function of companion cells in Pinus :

A

Motor cells

B

Transfusion tissue

C

Resin canal cells

D

Albuminous cells

Text Solution

AI Generated Solution

The correct Answer is:
To determine which cell type performs the function of companion cells in Pinus, we can follow these steps: ### Step-by-Step Solution: 1. **Understand Companion Cells**: - Companion cells are specialized parenchyma cells found in the phloem of flowering plants. Their primary function is to assist in the loading and unloading of materials (such as sugars) into and out of the sieve tube members. 2. **Identify the Function of Companion Cells**: - The main role of companion cells is to facilitate the transport of nutrients, particularly by loading and unloading substances into the sieve tubes, which are responsible for transporting food throughout the plant. 3. **Examine Pinus Structure**: - Pinus, a genus of coniferous trees, does not have companion cells. Instead, it has a different type of cell that serves a similar function. 4. **Identify the Equivalent Cell in Pinus**: - In Pinus, the cell type that takes on the role of companion cells is known as albuminous cells. These cells also assist in the loading and unloading of materials into the sieve tube members. 5. **Review the Options**: - If presented with options, we would look for the one that mentions albuminous cells. Other options like Motocell, Transfusion tissue, and Resin canal tissues do not serve this function in Pinus. 6. **Conclusion**: - Therefore, the correct answer to the question is that the cell type performing the function of companion cells in Pinus is the albuminous cell. ### Final Answer: - The cell type that performs the function of companion cells in Pinus is the **albuminous cell**. ---
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