Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Textbook Question
Chapter 49, Problem 1CQ
Define nitrogenous waste, and list the main types produced in animals. What are some advantages and disadvantages of excreting different types of nitrogenous wastes?
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Compare and contrast the a.) organs/structure, b.) materials/substances, and c.) processes involved in fluid regulation and excretion of plants and animals.
Chapter 49 Solutions
Biology
Ch. 49.1 - Prob. 1CCCh. 49.2 - Core Skill: Connections In what other organ is a...Ch. 49.2 - Prob. 2CSCh. 49.2 - Prob. 3CSCh. 49.3 - Prob. 1CSCh. 49 - Prob. 1TYCh. 49 - Prob. 2TYCh. 49 - Prob. 3TYCh. 49 - Prob. 4TYCh. 49 - Prob. 5TY
Ch. 49 - Prob. 6TYCh. 49 - Prob. 7TYCh. 49 - Prob. 8TYCh. 49 - Prob. 9TYCh. 49 - Prob. 10TYCh. 49 - Define nitrogenous waste, and list the main types...Ch. 49 - List and describe the three processes involved in...Ch. 49 - Prob. 3CQCh. 49 - Prob. 1COQCh. 49 - Briefly discuss the parts and functions of the...
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- Which of the following ions is important for the symport transport of amino acids, glucose and other solutes through the membrane into nephronest epithelial cells? a) Cl- b) Ca2 + c) Na + d) K +arrow_forwardBirds that live in marine environments and thus lack access to fresh drinking water A)obtain water by eating only osmoregulating prey. B)osmoregulate without using a transport epithelium for this purpose. C)drink seawater and secrete excess ions through their kidneys only. D)drink seawater and secrete excess ions mainly through their nasal salt glands. E)have plasma that is isoosmotic to ocean water.arrow_forwardIn general terms, explain the role in insects of the malpighian tubules and rectum in conserving water, ions, and amino acids and removing nitrogen waste.arrow_forward
- Why is ammonia not used as a nitrogenous waste compound in terrestrial animals? a)Ammonia is highly toxic, and to minimize that toxicity it must be excreted in large volumes of water. b)Urea and uric acid both have more nitrogen atoms than ammonia, making them more efficient at c)Ammonia is used by reptiles and birds, because it is less toxic to developing embryos than urea. d)Ammonia has more free energy than urea, so ammonia waste is converted to urea to capture some of that free energy.arrow_forwardWhy do mammals excrete nitrogenous waste in the form of urea rather than ammonia or uric acid?arrow_forwardList the costs and benefits of the excretion of ammonia,urea, or uric acid as nitrogenous waste products.arrow_forward
- A) The two kidneys are located in the abdominal cavity and are primarily responsible the formation of urine, and the regulation of extracellular fluid composition. Identify which blood vessels carry oxygenated - but waste containing - blood into the kidneys. Identify which blood vessels carry deoxygenated - but filtered - blood away from the kidneys. Approximately 1 million nephrons can be found in each kidney and are primarily responsible for the filtration of blood and extracellular fluids, and the production of urine. Nephrons perform three (3) physiological functions as they produce urine - filtration, reabsorption, and secretion. Identify the various structures and their locations, within each nephron, where those three (3) physiological functions are performed. Describe what is happening, in relation to the various components of blood, during the performance of those three (3) physiological functions. Define the term filtrate. Identify the two (2) harmful products excreted by the…arrow_forwardProduction of any sort of nitrogenous waste other than ammonia costs energy. Name at least three distinctly different advantages an animal might gain by investing in production of urea or uric acid.arrow_forwardDescribe the three steps in which organisms excrete wastes.arrow_forward
- Give examples of animals that excrete each of the principal types of nitrogenous wastes.arrow_forwardWhat are the three types of nitrogenous wastes? Which animals aremost likely to excrete each one, and why?arrow_forward17.During an experiment study of oxyge consumption in the kidney, experimental animals are ventilated with 100% nitrogen. Cells from which of the following areas of the kidney are most likely to show the first signs of anoxic injury? A) Bowman's Capsule B)Distal conuvulated tubule C) Efferent arterioles D) Glomerulus E) Proximal Tubulearrow_forward
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