Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 41, Problem 19CTQ
Why do electrolyte ions move across membranes by active transport?
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Why do electrolytes exert a greater osmotic pressure than nonelectrolytes?
which are the general features of diffusion of solutes in the water?
Contrast the energetic difference between the diffusion of an electrolyte versus a nonelectrolyte across the membrane
Chapter 41 Solutions
Biology 2e
Ch. 41 - Figure 41.5 Which of the following statements...Ch. 41 - Figure 41.6 Which of the following statements...Ch. 41 - Figure 41.8 Loop diuretics are drugs sometimes...Ch. 41 - When a dehydrated human patient needs to be given...Ch. 41 - The sodium ion is at the highest concentration in:...Ch. 41 - Cells in a hypertonic solution tend to: shrink due...Ch. 41 - The macula densa is/are: present in the renal...Ch. 41 - The osmolarity of body fluids is maintained at...Ch. 41 - The gland located at the top of the kidney is the...Ch. 41 - Active transport of K+ in Malpighian tubules...
Ch. 41 - Contractile vacuoles in microorganisms:...Ch. 41 - Flame cells are primitive excretory organs found...Ch. 41 - BUN is. blood urea nitrogen blood uric acid...Ch. 41 - Human beings accumulate ____before____ excreting...Ch. 41 - Renin is made by. granular cells of the...Ch. 41 - Patients with Addison's disease retain water...Ch. 41 - Which hormone elicits the 'fight or flight”...Ch. 41 - Why is excretion important in order to achieve...Ch. 41 - Why do electrolyte ions move across membranes by...Ch. 41 - Why are the loop of Henle and vasa recta important...Ch. 41 - Describe the structure of the kidney.Ch. 41 - Why might specialized organs have evolved for...Ch. 41 - Explain two different excretory systems other than...Ch. 41 - In terms of evolution, why might the urea cycle...Ch. 41 - Compare and contrast the formation of urea and...Ch. 41 - Describe how hormones regulate blood pressure,...Ch. 41 - How does the renin-angiotensin-aldosterone...
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- What is the role of osmosis in the physiologic regulation of water in the extra cellular compartment as well as extr cellular compartment of the cells?arrow_forwardwhat are the two forms of transport ? describe them active and passive transportarrow_forwardDefine osmosis, and describe how osmotic pressure iscreated. As the concentration of a solution increases, whathappens to its osmotic pressure and to the tendency forwater to move into the solution?arrow_forward
- What happens to the concentration of water inside a cell if ECF solute concentrations increase? Or decrease? Why?arrow_forwardWhat is the difference between a hyperosmotic solution and a hypertonic solution?arrow_forwardIf the percent difference is a positive number, what does this tell us about the movement of water across the membrane?arrow_forward
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