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 6RQ
Cells in a hypertonic solution tend to:
- shrink due to water loss
- swell due to water gain
- stay the same size due to water moving into and out of the cell at the same rate
- none of the above
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A cell in a hypertonic solution swells because of a net loss of water by osmosis.
True
False
Submerging of a red blood cell in a hypertonic solution will result in
Lysis of the cell membrane
Bursting of the cell
Plasmolysis of the cell
The cell becoming turgid
The cell becoming flaccid
A cell is placed in a hypertonic medium triggering its regulatory volume control mechanism. Which of the following statements best describes the main ion movement responsible for the regulatory volume control in this situation?
Efflux of K+ from the cytosol.
Efflux of Na+ from the cytosol.
Influx of Na+ into the cytosol.
Influx of K+ into the cytosol.
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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- The passive movement of a solute through a membrane protein down its concentration gradient is an example of _________. a. osmosis b. active transport c. endocytosis d. diffusionarrow_forwardA hypotonic solution is one that adds water to the cell. A hypertonic solution removes water from the cell. An isotonic solution neither adds or removes water from the cell.arrow_forwardWhich of the following involves movement from an area of high concentration to an area of lower concentration simple diffusion facilitated passive transport both simple diffussion and facilitated passive transport active transportarrow_forward
- If a dialysis tube that is permeable to water but not sucrose contains a 40% sucrose solution that is in a beaker of water, the solution in the beaker is said to be: cannot be determined isotonic hypertonic hypotonicarrow_forwardTwo aqueous solutions that differ in solute concentration are placed on either side of a semi permeable membrane. Osmosis is allowed to take place. The water will: move towards the side with higher solute concentration move towards the side with higher water concentration move equally in both directions not cross the membranearrow_forwardWhen two chambers are separated by a membrane permeable to water but not solute, if water is free to move in either direction without limitation or pressure, then water will move until the concentration of solute on both sides of the chamber is equal move until there is no water on the dilute side move until there is no water on the concentrated side move until the concentration of water on both sides of the chamber is equalarrow_forward
- If a cell is placed in a solution that has the same concentration of solutes as in its cytoplasm, the solution is referred to as: O Isotonic Hypertonic O Hypotonic Osmoticarrow_forwardA red blood cell that displays a biconcave disc shape must be in which of the following solutions? hypertonic solution distilled water isotonic solution ocean water hypotonic solutionarrow_forwardIn an isotonic solution, a cell will… Select one: shrink swell stay the same all of the abovearrow_forward
- Distilled water is to the relative ionic concentration inside of the cell. hypotonic O isotonic O hypertonicarrow_forwardYou have dialysis tubing that is permeable to water but not sucrose that contain 10 mL of varying concentrations of sucrose solutions that are placed in a beaker with 100 mL of water. In which beaker/bag combination will osmosis happen the fastest? 10% sucrose solution in the dialysis tubing 20% sucrose solution in the dialysis tubing 30% sucrose solution in the dialysis tubing 40% sucrose solution in the dialysis tubingarrow_forwardA substance moving across a membrane against a concentration gradient is moving by: active transport facilitated diffusion passive transport osmosisarrow_forward
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