Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 8, Problem 4AC
Some species of bacteria that live at the surface of sediment on the bottom of lakes are capable of using either glycolysis plus fermentation or
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We have seen that energy is essential for life on earth. All organisms need energy to maintain their cellular processes. There are two basic ways of generating energy de novo, at the base of food webs. Describe the two primary ways that autotrophic organisms generate energy, including the original source of energy and the primary organisms that carry out each process.
Methanopyrus kandleri and Pyrolobus fumarij are bacteria that live near hydrothermal vents under the oceans. Temperatures at these vents can reach well over 100 degrees Celsius.
Both organisms obtain energy from hydrogen but Methanopyrus kandleri grows best at 98 degrees Celsius while Pyrolobus fumarij prefers to reproduce at temperatures above 100 degrees Celsius. These bacteria provide the base of a food web at the bottom of the ocean floor.
What questions could a student ask in order to investigate this difference between the bacteria?
A.
What kind of heat tolerance do other nearby organisms have?
B.
Does the Methanopyrus kandleri live farther away from the vent than the Pyrolobus fumarij?
C.
Does Methanopyrus kandleri have a thicker cell wall than Pyrolobus fumarij?
D.
Is one organism better adapted to the environment than the other?
Why does decomposition by microbes deplete O2 ?
Chapter 8 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 8.1 - explain how photosynthesis and glucose breakdown...Ch. 8.1 - summarize glucose breakdown in the presence and...Ch. 8.2 - explain the energy investment and...Ch. 8.2 - Prob. 2CYLCh. 8.2 - What is the net energy yield in ATP and NADH...Ch. 8.3 - How would the rate of ATP production be affected...Ch. 8.3 - Cyanide is a favorite poison in old murder...Ch. 8.3 - Raising a King The mitochondrial DNA (mtDNA) that...Ch. 8.3 - summarize the two major stages of cellular...Ch. 8.3 - explain how ATP is generated by chemiosmosis?
Ch. 8.3 - describe the role of oxygen in cellular...Ch. 8.4 - Colin, a 45-year-old obese man, comes to you, his...Ch. 8.4 - What would happen if cells were prevented from...Ch. 8.4 - Prob. 1CSCCh. 8.4 - Jeremy has always had difficulty walking rapidly...Ch. 8.4 - explain the function of fermentation and the...Ch. 8.4 - Prob. 2CYLCh. 8.4 - list some examples of human uses of each type of...Ch. 8 - Which of the following is True for one glucose...Ch. 8 - Prob. 2MCCh. 8 - Prob. 3MCCh. 8 - Prob. 4MCCh. 8 - Prob. 5MCCh. 8 - Prob. 1FIBCh. 8 - Prob. 2FIBCh. 8 - Prob. 3FIBCh. 8 - Prob. 4FIBCh. 8 - Prob. 5FIBCh. 8 - Prob. 1RQCh. 8 - Draw and label a mitochondrion, and explain how...Ch. 8 - What role do the following play in breaking down...Ch. 8 - Prob. 4RQCh. 8 - Prob. 5RQCh. 8 - Prob. 6RQCh. 8 - Prob. 7RQCh. 8 - Compare the structure of chloroplasts (described...Ch. 8 - Some species of bacteria use aerobic respiration,...Ch. 8 - Prob. 2ACCh. 8 - Prob. 3ACCh. 8 - Some species of bacteria that live at the surface...
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Biology: Life on Earth (11th Edition)
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