Campbell Biology: Concepts & Connections (8th Edition)
8th Edition
ISBN: 9780321885326
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 14TYK
ATP synthase enzymes are found in the prokaryotic plasma membrane and in the inner membrane of a mitochondrion. What does this suggest about the evolutionary relationship of this eukaryotic organelle to prokaryotes?
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According to the endosymbiotic theory, why did the primitive eukaryotic cell fail to digest the non-photosynthetic prokaryote that later became an energy-producing organelle?
Because the engulfed cell provided the host cell with carbon dioxide.
Because the host cell was able to survive anaerobic conditions with the engulfed cell alive.
Because the engulfed cell allowed the host cell to metabolize glucose.
Because the engulfed cell provided the host cell with adenosine triphosphate (ATP).
Each of the cytochromes in the mitochondrion contains prosthetic groups. What is a prosthetic group? Which type of prosthetic group is associated with the cytochromes?
What structural feature of mitochondria corresponds to the thylakoid membranes?
Chapter 6 Solutions
Campbell Biology: Concepts & Connections (8th Edition)
Ch. 6 - Fill in the blanks in this summary map to help you...Ch. 6 - A biochemist wanted to study how various...Ch. 6 - In glycolysis, _____ is oxidized and _____ is...Ch. 6 - Which of the following is the most immediate...Ch. 6 - Which of the following is a true distinction...Ch. 6 - The poison cyanide binds to an electron carrier...Ch. 6 - In which of the following is the first molecule...Ch. 6 - Which of the three stages of cellular respiration...Ch. 6 - Compare and contrast fermentation as it occurs in...Ch. 6 - Prob. 10TYK
Ch. 6 - Prob. 11TYKCh. 6 - Prob. 12TYKCh. 6 - In the citric acid cycle, an enzyme oxidizes...Ch. 6 - ATP synthase enzymes are found in the prokaryotic...Ch. 6 - 15. SCIENTIFIC THINKING Several studies have found...Ch. 6 - For a short time in the 1930s, some physicians...Ch. 6 - Explain how the mechanism of brown fat metabolism...
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- 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_forwardWhat does the following figure represent? The last steps of anaerobic cellular respiration. b) Oxidative phosphorylation. c) The electron transport chain (ETC) only. d) Chemiosmosis only. e) The light reactions of photosynthesis.arrow_forwardWhich of the following is TRUE about cytochrome c protein? As a part of the ETC chain, it changes conformation to allow H+ ions to flow out of the matrix. It is found on the surface of the inner mitochondrial membrane and, therefore, contains start-transfer and/or stop-transfer sequences. With assistance from Bax, it can move out of the mitochondria and into the cytosol. It is considered a symporter because it is involved in electron transport. It is able to puncture holes in the plasma membrane to initiate apoptosis.arrow_forward
- how are mitochondria and chloraplasts similar to prokaryotes?arrow_forwardHow are proteins normally transported into the mitochondrial matrix, if they were originally synthesized on ribosomes present in the cytosol (not on the rough endoplasmic reticulum)? they are packaged into vesicles with v-SNARES for fusion with their target organelles they can pass freely through large pores in the inner mitochondrial membrane they are secreted by the golgi, captured by receptors, and absorbed by endosomes they must pass through the nuclear envelope by means of nuclear pores they are unfolded in the translocation channel, then refolded by chaperonesarrow_forwardDo prokaryotic cells have mitochondria?arrow_forward
- The yeast cell Saccharomyces cerevisiae is moved from an environment containing oxygen to an entirely oxygen-free environment. What type of metabolic changes/ reactions will occur in the yeast cell?arrow_forwardIt has been estimated that mitochondria occupy 20% of the volume in the human body. For a 70- kg adult, the average number of mitochondria has been estimated to be 1 × 10 (10,000 trillion). Using this information, provide a rough estimate of the average mass of a mitochondrion.arrow_forwardWhich of the following does not occur in the mitochondria? A) Krebs cycle C) glycolsis D) electron transportarrow_forward
- Many of the proteins produced in the endoplasmic reticulum undergo modifications such as the addition of carbohydrates (oligosaccharides). What is the role of these sugars in such proteins?arrow_forwardThe citric acid cycle functions to completely oxidize glucose in the presence of oxygen, allowing for a large amount of ATP to be produced within the cell through oxidative phosphorylation. Free oxygen did not always exist within the atmosphere of Earth, meaning that early life forms relied solely on glycolysis and fermentation to extract energy from macromolecules. What role did the increase in atmospheric oxygen play in the evolution of life on Earth? Frame your answer in terms of the energy derived from cellular respiration in the presence and absence of oxygen.arrow_forwardAn anaerobic prokaryotic cell is able to generate a maximum of how many molecules of ATP from the catabolism of one glucose molecule into two molecules of ethanol? 2 molecules of ATP 4 molecules of ATP 6 molecules of ATP 30 molecules of ATP 32 molecules of ATParrow_forward
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