A marine shark is best described as... A. A hypo-ionic, hypo-osmotic ammonotele B. A hypo-ionic, ureotelic osmoconformer C. An ammonotelic iono- and osmoconformer D. A uricotelic hyperionic, hyperosmotic regulator E. None of the above
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- Active uptake of ions The fish in the diagram at right is best described as... A. A hypo-ionic, hypo-osmotic ammonotele B. A hyper-ionic, hyper-osmotic ammonotele C. A hypo-ionic, ureotelic osmoconformer D. An ammonotelic iono- and osmoconformer E. None of the above Ion loss by diffusion 260 mOsmol L-¹ Absorption of ions by intestine Water gain by osmosis 1.0 mOsmol L-¹ Produce large volume of dilute urineCompared to the seawater around them, most marine invertebrates are hypoosmotic and osmoconformers isosmotic and osmoconformers. hyperosmotic and isoosmotic. none of these are correct hyperosmotic and osmoregulatorsHow do freshwater fish regulate osmotic stress in their environment? O take in electrolytes through simple diffusion excrete large quantities of electrolytes excrete large quantities of water consume large quantities of water
- Relate the function of contractile vacuoles to the following experi-mental observations: to expel an amount of fluid equal in volume to its own volume required 4 to 53 minutes for some freshwater unicel-lular eukaryotes, and between 2 and 5 hours for some marine species.Freshwater vertebrates ... A. are hyperosmotic regulators. B. produce large volumes of hypoosmotic urtine. C. maintain lower osmolalities of extracellular fluid (blood) compared with marine fishes in order to reduce osmotic water intake. D. are adapted to take in Na+, Cl– and Ca2+ by means of active transport across the gills and skin. E. ALl of the above answer choices correctly complete the sentence.lon concentrations inside and outside of a typical mammalian cell are not the same. Which of the following ions have (has) a higher concentration outside than inside? Na+ and Ca2+ K+ and Na+ K+ and Cl- K+ K+, Cl-, and Ca2+
- Briefly describe the function of the insect hindgut with respect to water and electrolyte balance. How does this help the insect's homeostasis? You should NOT make a list of everything the cell moves in and out. Generalize and summarize, and keep your answer short, Suhmit your answer tho "SuhmitVirtually all animal cells have a Na*/K* pump. Which of the following statements concerning it is NOT correct? a. O b. C. O d. It is an uniport. It is an active transporter. It transports Na* and K* by consuming ATP as energy. It is also called Na+/K* ATPase.The functional unit of the mammalian kidney is similar to a piece of dialysis tubing. Quantities of blood plasma that contain dilute amounts of the waste product urea are filtered into the nephron. The concentration of urea in the developing urine is increased by moving water from inside the nephron to the outside. Urea is a larger molecule than water, and unlike water, cannot pass through the membrane of the nephron. Imagine you have been given a piece of dialysis tubing that simulates the nephron membrane, a dilute solution of urea in water, and a beaker of salt water. Applying the concepts and methods used in this investigation, describe how you could concentrate the dilute solution of urea. You can use a drawing to help explain your ideas.
- How would you describe the movement of Na+ and HCO3- ? (Click all that apply)- Filtration- Reabsorbtion- Secretion- Active transport- Passive transportWhich term is more useful in understanding osmosis in animal tissue? Hypotonic or hyposotomic I know that these are the definations but I can't figure out which one is more useful in the above equation hypotonic: water enters thecell to reach equilibriumhyposmotic: lower osmotic pressure than other solution so water leaves osmosis because it is about water movement and how it moves to the more concentrated solutionThe figure at right illustrates the relationship between body fluid osmotic concentration and environment osmotic concentration for several aquatic animals. In seawater (ambient osmotic pressure = 1000 mOsm), the shrimp is best described as... A. A hypo-ionic regulator B. A hyperosmotic conformer C. A hypo-osmotic regulator D. A euryhaline conformer E. None of the above Blood osmotic pressure (mOsm) 1500 1000 500 0 0 Green crab Mussel Shrimp 500 1000 Ambient osmotic pressure (mOsm) 1500