CAMPBELL BIOLOGY,VOL.II >CUSTOM<
17th Edition
ISBN: 9781323803677
Author: Urry
Publisher: PEARSON
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Chapter 44, Problem 1TYU
Summary Introduction
Introduction: The structure of excretory system varies from one group of animals to another. In
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To compensate for fluid loss, many marine bony fishes (a) accumulate urea (b) have glands that excrete glucose (c) eat a low-protein diet (d) excrete a large volume of hypertonic urine (e) drink sea water
1) Compared to those of similarly sized birds and lizards, the kidneys of mammals ______.
A) have larger glomeruli, but shorter nephron loops
B) have larger glomeruli, but shorter nephron loops
C) have lower concentration of urea in their renal medulla
D) have higher concentrations of Na+ and Cl- in their renal medulla
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 +
Chapter 44 Solutions
CAMPBELL BIOLOGY,VOL.II >CUSTOM<
Ch. 44.1 - The movement of salt from the surrounding water to...Ch. 44.1 - Prob. 2CCCh. 44.1 - WHAT IF? Researchers found that a camel in the...Ch. 44.2 - What advantage does uric acid offer as a...Ch. 44.2 - Prob. 2CCCh. 44.3 - Prob. 1CCCh. 44.3 - Where and how does filtrate originate in the...Ch. 44.3 - Prob. 3CCCh. 44.4 - What do the number and length of nephrons in a...Ch. 44.4 - Many medications make the epithelium of the...
Ch. 44.4 - Prob. 3CCCh. 44.5 - How does alcohol affect regulation of water...Ch. 44.5 - Prob. 2CCCh. 44.5 - Prob. 3CCCh. 44 - Prob. 44.1CRCh. 44 - DRAW IT Construct a table summarizing the three...Ch. 44 - Prob. 44.3CRCh. 44 - Prob. 44.4CRCh. 44 - Why can only some patients with diabetes insipidus...Ch. 44 - Prob. 1TYUCh. 44 - Prob. 2TYUCh. 44 - Prob. 3TYUCh. 44 - The high osmolality of the renal medulla is...Ch. 44 - In which of the following species should natural...Ch. 44 - Prob. 6TYUCh. 44 - Prob. 7TYUCh. 44 - Prob. 8TYUCh. 44 - SCIENTIFIC INQUIRY You are exploring kidney...Ch. 44 - Prob. 10TYUCh. 44 - SYNTHESIZE YOUR KNOWLEDGE The marine iguana...
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- Define nitrogenous wastes, and list the main types produced in animals.What are some advantages and disadvantages of excreting differenttypes of nitrogenous wastes?arrow_forwardThe bodily fluids of freshwater fish contain higher concentration of dissolved solids in their surroundings, so they tend to bloat (take in water) or lose electrolytes. How can freshwater fish avoid this? 1.) By drinking lots of water? 2.) By actively transporting ions out from the gills into the water? 3.) by excreting highly concentrated urine? 4.) by resorbing ions in nephronsarrow_forwardMention the function of the following(a) Ureters in frog(b) Malpighian tubules(c) Body wall in earthwormarrow_forward
- Describe structure of the nephron. How is the mammalian nephron capable of creating concentrated urine? How does filtration take place?arrow_forwardCompare the excretory systems of a flatworm and an annelid worm. How are they similar? How are they different?arrow_forward1) "Compared to those of similarly sized birds and lizards, the kidneys of mammals ______." A) "Compared to those of similarly sized birds and lizards, the kidneys of mammals ______." B) have a larger renal cortex but a smaller renal medulla C) have lower concentration of urea in their renal medulla D) have higher concentrations of Na+ and Cl- in their renal medullaarrow_forward
- How are nephridial organs and Malpighian tubules alike? How are they different? (Hint: Consider both structure and function.)arrow_forwardPlease define/describe the following 3 renal functions in mammals: filtration, reabsorption and secretion. Describe at least one location in the nephron where each of these functions takes place. How does each of these functions contribute to homeostasis of the organism?arrow_forward7) The mammalian kidney is filled with over 1 million nephrons and this organ is considered a highly complex structure. What are the intermediate steps observed throughout the animal kingdom that led to the kidney?arrow_forward
- In what ways does the nephridium of an earthworm parallel the human nephron in structure and function?arrow_forward7. In the absence of ADH (vasopressin) the concentration of tubular fluid solute is greatest at which of the following sites on the nephron? OA) B- O B) A D O C) HE OD) OE)arrow_forward1. The diagram below shows a simple diagram of a nephron (kidney tubule): a) Identify the following parts... X: Y: Z: blood in blood sample A B C D water (3) b) Four places in the nephron and its blood supply are labelled A, B, C and D. State whether these substances are present or absent from these blood samples by placing a tick or cross in the box. (10) B urea D protein glucose saltarrow_forward
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