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  • In the figure given below, label the following parts: male gametes, egg cell, polar nuclei, synergid, and pollen tube.

In the figure given below, label the following parts: male gametes, egg cell, polar nuclei, synergid, and pollen tube.

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Male gametes are present in the pollen tube of the pollen grain.

The egg cell is the female gamete located within the egg apparatus of the embryo sac.

The polar nuclei are located in the central cell of the embryo sac and combine with one male gamete to form a triploid primary endosperm nucleus.

The pollen tube is formed when a pollen grain germinates on the stigma. It grows through the stigma and style, extending toward the embryo sac.

Synergids are located on both sides of the egg within the egg apparatus and help direct the growth of the pollen tube into the embryo sac.

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