Campbell Biology in Focus, Books a la Carte Edition; Modified Mastering Biology with Pearson eText - ValuePack Access Card - for Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780134433769
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman
Publisher: PEARSON
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Chapter 24.2, Problem 3CC
Summary Introduction
To suggest:
A hypothesis to explain why the thylakoid membranes of chloroplasts resemble those of cyanobacteria.
Concept introduction:
The cyanobacterial cells contain the chloroplast with the thylakoid membrane. These cells are formed by the fusion of the primitive bacterial cells with the green algae as mentioned in the endosymbiont theory of the origin of mitochondria and chloroplasts.
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Explain the ways that mitochondria resemble rickettsias andchloroplasts resemble cyanobacteria.
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Chapter 24 Solutions
Campbell Biology in Focus, Books a la Carte Edition; Modified Mastering Biology with Pearson eText - ValuePack Access Card - for Campbell Biology in Focus (2nd Edition)
Ch. 24.1 - What hypothesis did Miller test in his classic...Ch. 24.1 - How would the appearance of protocells have...Ch. 24.1 - Prob. 3CCCh. 24.1 - Prob. 4CCCh. 24.2 - Contrast the cellular and DNA structures of...Ch. 24.2 - Distinguish between the four major modes of...Ch. 24.2 - Prob. 3CCCh. 24.2 - Prob. 4CCCh. 24.3 - Although rare on a per gene basis, new mutations...Ch. 24.3 - Distinguish between the three mechanisms by which...
Ch. 24.3 - In a rapidly changing environment, which bacterial...Ch. 24.3 - WHAT IF? If a nonpathogenic bacterium were to...Ch. 24.4 - Explain how molecular systematics and metagenomics...Ch. 24.4 - WHAT IF? What would the discovery of a bacterial...Ch. 24.5 - Explain how prokaryotes, though small, can be...Ch. 24.5 - Prob. 2CCCh. 24.5 - Prob. 3CCCh. 24.5 - Prob. 4CCCh. 24 - Which of the following steps has not yet been...Ch. 24 - Fossilized stromatolites A. more than 2.8 billion...Ch. 24 - Prob. 3TYUCh. 24 - Photoautotrophs use A. light as an energy source...Ch. 24 - Which of the following statements is not true? A....Ch. 24 - Prob. 6TYUCh. 24 - Plantlike photosynthesis that releases O2 occurs...Ch. 24 - SCIENTIFIC INQUIRY INTERPRET THE DATA The...Ch. 24 - FOCUS ON EVOLUTION In patients infected with...Ch. 24 - FOCUS ON ENERGY AND MATTER In a short essay (about...Ch. 24 - Prob. 11TYU
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- Evidence indicating the chloroplasts were originally free-living prokaryotes that subsequently evolved a symbiotic relationship with a eukaryotic host includes all of the following except: Ability of chloroplasts to synthesize all their own proteins Presence of circular DNA in chloroplasts and in free-living prokaryotes Similarities of rRNA sequences between chloroplasts and free-living prokaryotes Similarities of structures between chloroplasts and some contemporary free-living prokaryotes Carrow_forwardThe image below shows a density gradient centrifugation carried out to separate a mixture of lysosomes, peroxisomes and mitochondria Organelle mixture 60L 1.11 Centrifuge 1.15 2 1.19 1.22 1.25 Which fraction would you take to obtain mitichondria, and why? O Fraction 2 because mitochondria contain haemoglobin. giving them a reddish colour O Fraction 3 because it is the most dense fraction O It is impossible to decide without further testing O Fraction 1 because it is the least dense fraction O Fraction 2, because mitochondria contain haem, giving them a reddish colour Increasing density of sucrose (g/cm³) 3.arrow_forwardWhat is the correct answer herearrow_forward
- How can the hypothesis that asserts that chloroplasts as well as mitochondria were primitive prokaryotes that associated in mutualism with primitive anaerobic eukaryotic cells be corroborated?arrow_forwarddescribe: The ways in which the chloroplast is similar to prokaryotes.arrow_forwardBreifly explain how a chloroplast structural protein is built, modified, and transported to the chloroplast. Make sure to mention the following organelles or cell parts in your answer: chloroplast, rough endoplasmic reticulum, Golgi, nucleus, ribosome,arrow_forward
- 5 In 1882, T.W. Engelmann conducted an experiment to test which wavelengths of light are important for photosynthesis. He placed a strand of Spirogyra (a filamentous green alga) across a glass slide. He illuminated the slide with a spectrum of colors created by a crystal prism. He then added a drop of water containing bacteria that use aerobic respiration. Watch the following YouTube video to see his results: https:/lyoutu.be/Rt37Hyn4Qv4 Explain the significance of Engelmann's experiment and how it relates to the absorption spectra of chlorophyll a and chlorophyll b. 6 Label the following: thylakoid membrane, stroma. Draw arrows where water and carbon dioxide enter and where oxygen and sugars exit. Be clear as to whether these substances are entering or exiting the thylakoid membrane or the stroma. 7 Where in the chloroplast do the light reactions occur? 8 Where in the chloroplast do the Calvin cycle reactions occur? 9 What 2 environmental inputs are necessary for the noncyclic light…arrow_forwardScientists explain the existence of mitochondria and chloroplasts with the endosymbiotic hypothesis. What is the endosymbiotic hypothesis? Give two pieces of evidence for it.arrow_forwardThe infoldings of the chloroplast and mitochondria were discussed. The same phenomenon happens in the endoplasmic reticulum. Bacteria have infoldings for specific functions as well. With the way the lungs and small intestines are folded, us can see the same thing on a greater scale. What makes us think that? explain?arrow_forward
- Illustrate and explain the evidence supporting the predominant Theory on the origin of energetic organelles in Eukaryotes.arrow_forwardNote : — don't copy in google or bartleby. Plagarize checker will be used. QUESTION : — Why is it necessary for a mitochondrion to have many infoldings ? — What will happen if mitochondrion has few to no infoldings at all ?arrow_forwardA scientist claims that the presence of aquaporins in chloroplast membranes supports the endosymbiotic theory. Support the claim with evidence from biological concepts.arrow_forward
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