Biology - Study Guide
8th Edition
ISBN: 9780321501561
Author: Martha R. Taylor
Publisher: PEARSON EDUCATION (COLLEGE)
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Textbook Question
Chapter 38, Problem 3TYK
Double fertilization involves fusion of sperm nuclei with
- a. the egg and the synergids.
- b. the egg and the polar nuclei.
- c. the egg and the antipodal cells.
- d. the synergids and the polar nuclei.
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A. An embryo sac (ovule) contains eight haploid nuclei.B. Three nuclei become three synergids, 2 polar nuclei, 3 antipodal nuclei.
A.If statement A is wrong and B is correct.
B.If both statements are wrong.
C.If both statements are correct.
D.If statement A is correct and B is wrong.
2. A. An embryo sac (ovule) contains eight haploid nuclei.B. Three nuclei become three synergids, 2 polar nuclei, 3 antipodal nuclei.
A.If statement A is wrong and B is correct.
B.If both statements are wrong.
C.If both statements are correct.
D.If statement A is correct and B is wrong.
3. A. Inside a pollen grain there is a tube cell and generative cell. B. Generative cell divides to produce two sperm cells while the tube cell becomes pollen tube elongates along the style.
A.If both statements are correct.
B.If statement A is wrong and B is correct.
C.If statement A is correct and B is wrong.
D.If both statements are wrong.
The parts of an ovule include the following structures. Indicate whether each is haploid or diploid.
a. Archegonium
b. Egg
c. Female gametophyte
d. Integument
e. Nucellus
f. Ovuliferous scale
Chapter 38 Solutions
Biology - Study Guide
Ch. 38 - Identify the flower parts in the following...Ch. 38 - a. Describe the male gametophyte. b. Describe the...Ch. 38 - Label the parts in the following diagrams of a...Ch. 38 - Prob. 4IQCh. 38 - a. List some ways in which fruits aid in seed...Ch. 38 - a. What is an advantage of apomixis? b. What is...Ch. 38 - How are vegetative reproduction and...Ch. 38 - Biofuels are considered carbon neutral, even...Ch. 38 - Draw a diagram of the major events in the life...Ch. 38 - List the advantages and disadvantages of sexual...
Ch. 38 - List some of the potential benefits and dangers of...Ch. 38 - ________ structure from which fruit typically...Ch. 38 - ________ generation that produces spores by...Ch. 38 - Prob. 3TYKFCh. 38 - Prob. 4TYKFCh. 38 - Prob. 5TYKFCh. 38 - Prob. 6TYKFCh. 38 - Prob. 7TYKFCh. 38 - Prob. 8TYKFCh. 38 - Prob. 9TYKFCh. 38 - Prob. 10TYKFCh. 38 - A flower on a dioecious plant is a. complete. b....Ch. 38 - Prob. 2TYKCh. 38 - Double fertilization involves fusion of sperm...Ch. 38 - The terminal cell of an early plant embryo a....Ch. 38 - Prob. 5TYKCh. 38 - Prob. 6TYKCh. 38 - Prob. 7TYKCh. 38 - Which of the following structures protects a bean...Ch. 38 - Prob. 9TYKCh. 38 - Prob. 10TYKCh. 38 - Prob. 11TYKCh. 38 - Which of the following statements is false? a....Ch. 38 - Prob. 13TYKCh. 38 - Prob. 14TYKCh. 38 - Prob. 15TYKCh. 38 - Prob. 16TYKCh. 38 - Which of the following techniques is being...
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- Figure 14.19 At what stage does the diploid zygote form? a. When the female cone begins to bud from the tree b. When the sperm nucleus and the egg nucleus fuse c. When the seeds drop from the tree d. When the pollen tube begins to growarrow_forward1.Embryogenesis follows while the ovary matures into fruit.B. The ovule becomes the seed. A.If both statements are correct. B.If statement A is wrong and B is correct. C.If statement A is correct and B is wrong. D.If both statements are wrong. 2. A. An embryo sac (ovule) contains eight haploid nuclei.B. Three nuclei become three synergids, 2 polar nuclei, 3 antipodal nuclei. A.If statement A is wrong and B is correct. B.If both statements are wrong. C.If both statements are correct. D.If statement A is correct and B is wrong. 3. A. Inside a pollen grain there is a tube cell and generative cell. B. Generative cell divides to produce two sperm cells while the tube cell becomes pollen tube elongates along the style. A.If both statements are correct. B.If statement A is wrong and B is correct. C.If statement A is correct and B is wrong. D.If both statements are wrong.arrow_forward2. A. The microsporangium in the anther contains numerous microsporocytes which will undergo meiosis to produce four haploid microspores. B. Each microspore develops into a pollen grain containing two sperm nuclei and one tube nucleus. A.If statement A is correct and B is wrong. B.If both statements are correct. C.If statement A is wrong and B is correct. D.If both statements are wrong.arrow_forward
- Draw a labelled diagram of embryo sac and microsporangiumarrow_forwardIn animals, meiosis produces gametes (sperm cells and egg cells), but that does not happen in plants. When some of the cells of a sporophyte undergo meiosis, what types of cells are produced? What do they grow into?arrow_forward(a) Distinguish between asexual and sexual reproduction. Why isvegetativereproduction also considered as a type of asexual reproduction?(b) Which is better mode of reproduction : Sexual or Asexual? Why?arrow_forward
- In humans, gametogenesis results in the formation ofa. diploid egg and sperm cells.b. gametophytes.c. sporophytes.d. haploid egg and sperm cells.e. a zygote.arrow_forwardA tetrad of spores in an ascus is the product of a. one meiotic division.b. two meiotic divisions.c. one meiotic division followed by one mitotic division.d. one mitotic division followed by one meiotic division.arrow_forwardCompare what happens to a spore mother cell as it gives rise to a spore with what happens to a spore as it gives rise to a gametophyte. a. The spore mother cell and the spore both go through meiosis. b. The spore mother cell and the spore both go through mitosis. c. The spore mother cell goes through mitosis, and the spore goes through meiosis. d. The spore mother cell goes through meiosis, and the spore goes through mitosis.arrow_forward
- A dikaryotic cell develops into a zygote whena. mitosis divides the two nuclei into separate cells, which thencombine at fertilization.b. mitosis occurs without cytokinesis.c. the two haploid nuclei within the cell fuse.d. meiosis occurs once and cytokinesis occurs twice.arrow_forwardWhich type of life cycle has both a haploid and diploid multicellular stage? a. an asexual life cycle b. diploid-dominant c. haploid-dominant d. alternation of generationsarrow_forwardFigure 32.8 An embryo sac is missing the synergids. What specific impact would you expect this to have on fertilization? The pollen tube will be unable to form. The pollen tube will form but will not be guided toward the egg. Fertilization will not occur because the synergid is the egg. Fertilization will occur but the embryo will not be able to grow.arrow_forward
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