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(B) In a mature pollen grain,there are two types of cells: the vegetative cell and the generative cell.$1$. The vegetative cell is larger,has abundant

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Generative cell

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(B) In a mature pollen grain,there are two types of cells: the vegetative cell and the generative cell.$1$. The vegetative cell is larger,has abundant food reserve,and a large irregularly shaped nucleus.$2$. The generative cell is smaller,floats in the cytoplasm of the vegetative cell,and is spindle-shaped with dense cytoplasm.Therefore,the smaller cell with dense cytoplasm and a spindle-shaped nucleus is the generative cell.

In a pollen grain,the smaller cell with dense cytoplasm and a spindle-shaped nucleus is called the ....

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