CAMPBELL BIOLOGY IN FOCUS-TEXT,AP ED.
CAMPBELL BIOLOGY IN FOCUS-TEXT,AP ED.
3rd Edition
ISBN: 9780136811206
Author: Urry
Publisher: SAVVAS L
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Chapter 25, Problem 3TYU

Plastids that are surrounded by more than two membranes are evidence of

  1. A.    evolution from mitochondria.
  2. B.     fusion of plastids.
  3. C.     origin of the plastids from archaea.
  4. D.    secondary endosymbiosis.
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Which of the following structures in chlorarachniophytes provides evidence that they evolved through the endosymbiosis of a green alga by a heterotrophic eukaryote? A. food vacuole B. nucleomorph C. mitosomes D. flagella
Which of the following statements supports the concept of the endosymbiotic theory? A. Proteins may be trafficked within the endomembrane system. B. Ribosomes are present in the cytoplasm of prokaryotic cells and eukaryotic cells. C. Chloroplasts have many features in common with bacteria. D. Mitochondria can fuse together to form larger organelles within eukaryotic cells.
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.
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