Spindle usually persists in the form of ___ during ___ method of cytokinesis.

Options

A. phragmoplast, cleavage
B. phragmoplast, cell plate
C. cell plate, cell plate
D. cell plate, cleavage

Explanation

To answer the question, "Spindle usually persists in the form of ___ during ___ method of cytokinesis," we will break down the solution step by step.

### Step-by-Step Solution:

1. **Understanding Cytokinesis**:
- Cytokinesis is the process that follows mitosis, where the cytoplasm of a parental cell is divided into two daughter cells.

2. **Identifying the Methods of Cytokinesis**:
- There are two primary methods of cytokinesis: one that occurs in animal cells and another that occurs in plant cells.

3. **Cytokinesis in Plant Cells**:
- In plant cells, cytokinesis involves the formation of a structure called the cell plate. The Golgi apparatus aligns at the equator of the cell, and vesicles containing cell wall materials fuse to form the cell plate.

4. **Role of Spindle in Plant Cytokinesis**:
- During this process, the spindle fibers persist in the form of a structure known as the phragmoplast. The phragmoplast helps guide the vesicles to the center of the cell where the cell plate is formed.

5. **Cytokinesis in Animal Cells**:
- In contrast, animal cells undergo a different method of cytokinesis, where the cell membrane pinches inwards to separate the two daughter cells, and the spindle does not persist in the same way.

6. **Final Answer**:
- Therefore, the spindle usually persists in the form of **phragmoplast** during the **cell plate method** of cytokinesis.

### Complete Answer:
Spindle usually persists in the form of **phragmoplast** during **cell plate method** of cytokinesis.

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