Pearson eText Campbell Biology: Concepts & Connections -- Access Card (9th Edition)
9th Edition
ISBN: 9780135213827
Author: Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan, Jane B. Reece
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
Pearson eText Campbell Biology: Concepts & Connections -- Access Card (9th 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 - Prob. 18TYKCh. 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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- Given: The liver and kidneys both extract molecules from the blood. a. How do their routes of excretion differ? (answer a)arrow_forwardMany types of fishes live in freshwater. Generally, water moves by osmosis from the surrounding fresh water into the fish's body. This observation helps to explain which feature of the excretory systems of freshwater fishes? a. They tend to produce dilute, watery urine. b. They tend to produce concentrated, dark urine. c. They do not produce urine, but instead conserve or re-use nitrogenous wastes. d. They may produce either dilute or concentrated urine, depending on the activity of the fish.arrow_forwardcompare excretion of wastes as urea vs uric acid a explain each advantages and disadvantages for each b for each type of waste choose an animal that excretes that type of waste hand how it fits with its lifestylearrow_forward
- High excretion of sodium through the kidneys can cause? a. Low plasma osmolanity, low urine osmolarity b. Low plasma osmotarity, high urine osmolarity c. High plasma osmolarity, low unine osmolanty d. High plasma osmolarity high urine osmolarityarrow_forwardWhich type of animals consume little or no energy in maintaining water balance?A. Birds B. Mammals C. Marine vertebrates D. Marine invertebrates The following are involved in the regulation of mammalian kidney function except:A. ADH B. Aldosterone C. Renin D. Oxygenarrow_forwarda) Describe in your own words the formation of urine in the body. b) Explain the pathway that urine takes from the kidneys to the outside of the body. Use key terminologyarrow_forward
- State the implication of a high value of NPN in blood and urine. What does the amount of urea, ammonia, and creatinine in the urine tell us about renal function? Which food substances can lead to an increased value of NPN in the blood?arrow_forwardWould you expect an ostrich to excrete excess nitrogen as uric acid, urea, or ammonia? Make an argument for your answer.arrow_forwardWhy is excretion important in order to achieve osmotic balance?arrow_forward
- Which of the following does not contribute to the process of filtration? (a) active transport by epithelial cells lining renal tubules (b) large surface area for filtration (c) low permeability of glomerular capillaries (d) high hydrostatic blood pressure in glomerular capillaries (e) podocytesarrow_forwardThe thirst mechansim stimulates your desire to drink fluids in response to increased salt in your blood or a decrease in___? A. Salt in intracellular fluids B. Tissue dryness C. Blood pressure and blood volume D. The amount of potassium retained intracellularlyarrow_forwardThe time you woke up in the morning, you drink 2 glasses of water. Shortly after drinking you feel the need to urinate. Why is this so? Explain your answer by tracing the path of water from the stomach up to the urinary bladder.arrow_forward
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