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8. Label the pollen sac and pollen grains in Figure 5. below.de Wyres Figure 5. Lilium mature anther c.s. Photo by Carolyn Alling 9. How does the mature anther differ from the immature one with pollen tetrads? Examine the pollen grains, or immature male gametophytes. Find a pollen grain with two nuclei. The pollen grain is not a binucleate cell, but rather a two-celled structure. The larger cell is the vegetative cell, or tube cell. The smaller cell, which floats freely in the cytoplasm of the tube cell, is the lens-shaped generative cell (see text Figure 19-16, page 468). If you look carefully, you will be able to distinguish the protoplast of the generative cell from that of the tube cell. 10. Find a pollen grain in Figure 6 below in which you can clearly see both the generative and tube cells and label them. Figure 6. Lilium mature anther c.s. bad) nollog Photo by Carolyn Alling

8. Label the pollen sac and pollen grains in Figure 5. below.de Wyres Figure 5. Lilium mature anther c.s. Photo by Carolyn Alling 9. How does the mature anther differ from the immature one with pollen tetrads? Examine the pollen grains, or immature male gametophytes. Find a pollen grain with two nuclei. The pollen grain is not a binucleate cell, but rather a two-celled structure. The larger cell is the vegetative cell, or tube cell. The smaller cell, which floats freely in the cytoplasm of the tube cell, is the lens-shaped generative cell (see text Figure 19-16, page 468). If you look carefully, you will be able to distinguish the protoplast of the generative cell from that of the tube cell. 10. Find a pollen grain in Figure 6 below in which you can clearly see both the generative and tube cells and label them. Figure 6. Lilium mature anther c.s. bad) nollog Photo by Carolyn Alling

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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8. Label the pollen sac and pollen grains in Figure 5. below. Figure 5. Lilium mature anther c.s. Photo by Carolyn Alling 9. How does the mature anther differ from the immature one with pollen tetrads?. Examine the pollen grains, or immature male gametophytes. Find a pollen grain with two nuclei. The pollen grain is not a binucleate cell, but rather a two-celled structure. The larger cell is the vegetative cell, or tube cell. The smaller cell, which floats freely in the cytoplasm of the tube cell, is the lens-shaped generative cell (see text Figure 19-16, page 468). If you look carefully, you will be able to distinguish the protoplast of the generative cell from that of the tube cell. 10. Find a pollen grain in Figure 6 below in which you can clearly see both the generative and tube cells and label them. Figure 6. Lilium mature anther c.s. 7 128 Photo by Carolyn Alling
Transcribed Image Text:8. Label the pollen sac and pollen grains in Figure 5. below. Figure 5. Lilium mature anther c.s. Photo by Carolyn Alling 9. How does the mature anther differ from the immature one with pollen tetrads?. Examine the pollen grains, or immature male gametophytes. Find a pollen grain with two nuclei. The pollen grain is not a binucleate cell, but rather a two-celled structure. The larger cell is the vegetative cell, or tube cell. The smaller cell, which floats freely in the cytoplasm of the tube cell, is the lens-shaped generative cell (see text Figure 19-16, page 468). If you look carefully, you will be able to distinguish the protoplast of the generative cell from that of the tube cell. 10. Find a pollen grain in Figure 6 below in which you can clearly see both the generative and tube cells and label them. Figure 6. Lilium mature anther c.s. 7 128 Photo by Carolyn Alling
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