Campbell Biology (11th Edition)

11th Edition

ISBN: 9780134093413

Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece

Publisher: PEARSON

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Textbook Question

Chapter 38, Problem 3TYU

Double fertilization means that

(A) flowers must be pollinated twice to yield fruits and seeds.
(B) every egg must receive two sperm to produce an embryo.
(C) one sperm is needed to fertilize the egg, and a second sperm is needed to fertilize the polar nuclei.
(D) every sperm has two nuclei.

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Chapter 38, Problem 2TYU

Chapter 38, Problem 4TYU

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Chapter 38 Solutions

Campbell Biology (11th Edition)

Ch. 38.1 - Distinguish between pollination and fertilization.Ch. 38.1 - Prob. 2CC Ch. 38.1 - MAKE CONNECTIONS Does the life cycle of humans...Ch. 38.2 - What are three ways that flowering plants avoid...Ch. 38.2 - Prob. 2CC Ch. 38.2 - Prob. 3CC Ch. 38.3 - Compare traditional plant-breeding methods with...Ch. 38.3 - Why does Bt maize have less fumonisin than non-GM...Ch. 38.3 - WHAT IF? In a few species, chloroplast genes are...Ch. 38 - What changes occur to the four types of floral...

Ch. 38 - Prob. 38.2CR Ch. 38 - Prob. 38.3CR Ch. 38 - A fruit is (A) a mature ovary. (B) a mature ovule....Ch. 38 - Prob. 2TYU Ch. 38 - Double fertilization means that (A) flowers must...Ch. 38 - Prob. 4TYU Ch. 38 - Prob. 5TYU Ch. 38 - A small flower with green petals is most likely...Ch. 38 - The black dots that cover strawberries are...Ch. 38 - DRAW IT Draw and label the parts of a flower.Ch. 38 - Prob. 9TYU Ch. 38 - Prob. 10TYU Ch. 38 - SCIENCE, TECHNOLOGY, AND SOCIETY Humans have...Ch. 38 - WRITE ABOUT A THEME: ORGANIZATION In a short essay...Ch. 38 - SYNTHESIZE YOUR KNOWLEDGE This colorized SEM shows...

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Double fertilization means that (A) flowers must be pollinated twice to yield fruits and seeds. (B) every egg must receive two sperm to produce an embryo. (C) one sperm is needed to fertilize the egg, and a second sperm is needed to fertilize the polar nuclei. (D) every sperm has two nuclei.

Solution Summary: The author explains that double fertilization involves two sperm, one haploid to fertilize the egg, and the other with polar nuclei to make a triploid endosperme.

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Chapter 38 Solutions