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 25, Problem 6TYK
Birds and insects excrete uric acid, whereas mammals and most amphibians excrete mainly urea. What is the chief advantage of uric acid over urea as a waste product?
a. Uric acid is a much simpler molecule.
b. It takes less energy to make uric acid.
c. Less water is required to excrete uric acid.
d. More solutes are removed excreting uric acid.
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Chapter 25 Solutions
Campbell Biology: Concepts & Connections (8th Edition)
Ch. 25 - Complete this map, which presents the three main...Ch. 25 - In this schematic of urine production in a...Ch. 25 - Prob. 3TYKCh. 25 - In each nephron of the kidney, the glomerulus and...Ch. 25 - As filtrate passes through the loop of Henle, salt...Ch. 25 - Birds and insects excrete uric acid, whereas...Ch. 25 - Prob. 7TYKCh. 25 - Match each of the following components of blood...Ch. 25 - Prob. 9TYKCh. 25 - Prob. 10TYK
Ch. 25 - Prob. 11TYKCh. 25 - Match each of the following components of blood...Ch. 25 - Prob. 13TYKCh. 25 - Prob. 14TYKCh. 25 - Prob. 15TYKCh. 25 - Compare the water and salt regulation in a salmon...Ch. 25 - Prob. 17TYKCh. 25 - 18. Assuming equal size, predict which of these...Ch. 25 - Some diuretics are on a list of substances that...Ch. 25 - Prob. 20TYKCh. 25 - Prob. 21TYKCh. 25 - Prob. 22TYKCh. 25 - Prob. 23TYKCh. 25 - Prob. 24TYKCh. 25 - Scientists have found that the quantity of...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- 1.What is the role of the renal system in regulating potassium ion concentration in the extracellular fluid [ECF]? a. Kidneys filter and excrete excess potassium ions into the urine. b. Kidneys respond to aldosterone by not excreting any potassium ions into the urine. c. Kidneys reabsorb all potassium ions into the urine. d. Kidneys excrete water molecules through aquaporins in the collecting duct. 2.Identify the cardiac dysrhythmia most associated with hypomagnesemia.arrow_forwardWhich of the following do sodium and potassium NOT have in common? A. Rich sources of both include fresh foods, such as bananas, cantaloupe, and potatoes. B. Both are involved in nerve transmission C. Both participate in maintaining fluid balance D. Both are major electrolytes in the bodyarrow_forwardHigh levels of ammonium ions in the urine indicatea. a high level of H+ secretion into the urine.b. that the kidneys are causing blood pH to decrease.c. that urine pH is too basic.d. All of these are correct.arrow_forward
- In a healthy person, which substance(s) should NOT be found in urine in high levels? Choose all that apply. a. Urea b. Simple sugars c. Proteins d. Blood cells e. Amino acids f. Electrolytes such as saltsarrow_forwardThe nephridia of an earthworm excretes urea because: O a. Worms cannot produce the enzymes needed to produce uric acid. O b. The urea is used to alter the osmotic pressure of the earthworm. O. Ammonium cannot diffuse out through the skin. O d. Urea is completely non-toxic. Oe. Urea does not result in any water loss.arrow_forwardThe nephridia of an earthworm excretes urea because: O a. The urea is used to alter the osmotic pressure of the earthworm. O b. Urea is completely non-toxic. O c. Worms cannot produce the enzymes needed to produce uric acid. O d. Urea does not result in any water loss. O e. Ammonium cannot diffuse out through the skin.arrow_forward
- How is water reabsorbed from the forming excreta (feces) during the digestive process? A. Most of the water is actually excreted with the feces. B. Na+ and other ions are active pumped into the lumen of the colon, thereby causing water to be reabsorbed into the body via osmosis. C. Na+ and other ions are active pumped out of the lumen of the colon, thereby causing water to be reabsorbed into the body via osmosis. D. All of the water is absorbed in the small intestine. E. None of the above answer choices correctly answers the question.arrow_forwardOne advantage of the excretion of urea instead of uric acid isthat ureaa. requires less energy than uric acid to produce.b. can be concentrated to a greater extent.c. is not a toxic substance.d. requires no water to excrete.e. is a larger molecule.arrow_forwardWhich of the following is not correct?a. Uric acid is produced from the breakdown of amino acids.b. Creatinine is produced from breakdown reactions in the muscles.c. Urea is the primary nitrogenous waste of humans.d. Ammonia results from the deamination of amino acids.arrow_forward
- If plasma osmolarity increases to 380 mOsM, what would likely happen to the plasma concentrations of ADH and the reabsorption of water from the kidneys? a. Plasma ADH concentrations decrease; reabsorption of water decreases b. Plasma ADH concentrations increase; reabsorption of water decreases c. Plasma ADH concentrations increase; reabsorption of water does not change d. Plasma ADH concentrations increase; reabsorption of water increases e. Plasma ADH concentrations decrease; reabsorption of water increasesarrow_forwardWhich of the following is a component of filtrate but not normally a component of urine? a. water b. erythrocytes c. nitrogenous waste d. glucosearrow_forwardwhich of the following is NOT describing the homeostatic function of renal system? Select one: a. Not effective in regulation of acid-base balance b. Very effective in regulation of arterial blood pressure c. Secretion of insulin d. No role in gluconeogenesis e. Regulation of blood glucosearrow_forward
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