Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 7, Problem 3VCQ
(Figure 7.14) Tremetol, a metabolic poison found in the white snake root plant, prevents the
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Which of the following statements concerning glycogen in different tissues is TRUE?
a.
Liver glycogen serves as a fuel reserve for ATP synthesis during muscle contraction.
b.
Brain glycogen serves as a source of blood glucose.
c.
Red blood cells use glycogen as a source of blood glucose.
d.
Muscle glycogen serves as a fuel reserve for ATP synthesis during muscle contraction.
e.
Muscle glycogen serves as a source of blood glucose.
Which of the following is NOT a physiological role of phosphorus?
Select one:
a.
Required for ossification of bones during embryonic development
b.
Required for enzymatic conversions in glycolysis
c.
Links together ribose sugars and their associated nitrogenous bases
d.
Important compound required to inhibit auto-oxidation of fatty acids
Which of the following reactions would be inhibited in the presence of large amounts of an egg white protein that binds and sequesters biotin?
a. Pyruvate to Lactate
b. Pyruvate to Alanine
c. Phosphoenolpyruvate to Pyruvate
d. Pyruvate to oxaloacetate
Chapter 7 Solutions
Biology 2e
Ch. 7 - Figure 7.11 Dinitrophenol (DNP) is an "uncoupler"...Ch. 7 - Figure 7.12 Cyanide inhibits cytochrome c oxidase,...Ch. 7 - (Figure 7.14) Tremetol, a metabolic poison found...Ch. 7 - The energy currency used by cells is ATP ADP AMP...Ch. 7 - A reducing chemical reaction. reduces the compound...Ch. 7 - During the second half of glycolysis, what occurs?...Ch. 7 - What is removed from pyruvate during its...Ch. 7 - What do the electrons added to NAD+ do? They...Ch. 7 - GTP or ATP is produced during the conversion of...Ch. 7 - How many NADU molecules are produced on each turn...
Ch. 7 - What compound receives elections from NADH? FMN...Ch. 7 - Chemiosmosis involves. the movement of electrons...Ch. 7 - Which of the following fermentation methods can...Ch. 7 - A major connection for sugars in glycolysis is...Ch. 7 - Beta-oxidation is. the breakdown of sugars the...Ch. 7 - The effect of high levels of ADP is to__inv __...Ch. 7 - The control of which enzyme exerts the most...Ch. 7 - Why is it beneficial for cells to use ATP rather...Ch. 7 - Nearly all organisms on Earth carry out some form...Ch. 7 - Because they lose their mitochondria during...Ch. 7 - What is the primary difference between a circular...Ch. 7 - How do the roles of ubiquinone and cytochrome c...Ch. 7 - What accounts for the different number of ATP...Ch. 7 - What is the primary difference between...Ch. 7 - Would you describe metabolic pathways as...Ch. 7 - How does citrate from the citric acid cycle affect...Ch. 7 - Why might negative feedback mechanisms be more...
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- Although rabbits cannot digest the cellulose in their all-plant diet, bacteria that live in their cecum can. However, to make full use of the nutrients released by bacterial action, a rabbit must produce and eat a special type of feces. Why must the rabbit reswallow this material to obtain the nutrients released by bacterial action?Some people who have gallstones experience pain after they eat, with fatty meals causing the greatest discomfort. Why do such meals trigger gallbladder pain? Diabetes insipidus is a medical disorder in which a person produces an unusually large amount of highly dilute urine. Some cases are caused by a gene mutation, but in most people, diabetes insipidus arises after a head injury. Explain how an injury to the head could affect kidney function.Marine mammals and desert rodents both have highly efficient kidneys that produce only a tiny amount of very concentrated urine. What selective pressure shaped this trait in both animals?arrow_forwardIn the Alanine Cycle, different organs work together to produce glucose from protein. Which statement below best describes what happens in which organ? a)In liver, pyruvate is transaminated to alanine; in the muscle, alanine is deaminated and pyruvate is used for ATP synthesis. b)In muscle, pyruvate is transaminated to alanine; in the liver, alanine is deaminated and pyruvate is used for gluconeogenesis. c)The liver exports glucose for use by the brain; in the muscle, alanine is deaminated by the urea cycle for use in ATP generation. d)In muscle, pyruvate is transaminated to alanine; in the liver, alanine enters the urea cycle for excretion.arrow_forwardThe reason you breathe heavily while exercising is that your body is trying to take in oxygen to fuel aerobic respiration and generate enough ATP to replenish the ATP you use during exercise. If you are exercising vigorously, the need for ATP might be greater than the amount of oxygen you can inhale. In this situation, your body cells generate ATP through lactate fermentation. As you continue vigorous exercise, your muscles might begin to "burn," causing you to stop and rest. This burning sensation is the result of a chemical buildup in your muscle cells. Based on this information, which of the following chemicals likely causes pain in over-exercised muscles? A. Lactate B. NADH C. Ethanolarrow_forward
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