Why does it take a week or longer for animals to show the effects of acclimation? Name one thing that likely is changing in goldfish that are acclimated to 15°C.
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Question:-
4) Why does it take a week or longer for animals to show the effects of acclimation? Name one thing that likely is changing in goldfish that are acclimated to 15°C.
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- Based on this chart, which way will sodium be pumped? Typical ionic concentrations Squid Giant Axon Frog Sartorius Muscle Intracellular Na+ K+ CI- Extracellular Na+ K+ CI- sodium is a equilibrium into the cell out of the cell 50 397 40 437 20 556 sodium cannot cross the membrane 13 138 3 110 2.5 90 Human Red Blood Cell 19 136 78 155 5 112Sharks live in marine (saltwater) habitats and are osmoconformers. Based on this information which of the following is/are true (select all that apply): A. Sharks have tissues/body fluids that are isoosmotic relative to the environment B. Sharks have tissues/body fluids that are hypoosmotic relative to the environment C. Sharks devote considerable energy to osmoregulation D. Sharks do not devote much energy to osmoregulationMany, but not all, marine fishes are simultaneously both osmoregulators and ionoregulators. Say that a friend caught a fish off of the Cape Cod coast where the seawater has an osmotic pressure of 1,050 mosmol.L-1 and a Na+ concentration of 450 mmol.L-1. Which of the following plasma compositions might reasonably be consistent with your friend's fish being such an osmoregulating and ionoregulating species? A. plasma osmotic pressure = 350 mosmol.L-1; plasma Na+ concentration = 430 mmol.L-1 B. plasma osmotic pressure = 1,050 mosmol.L-1; plasma Na+ concentration = 450 mmol.L-1 C. plasma osmotic pressure = 1,035 mosmol.L-1; plasma Na+ concentration = 170 mmol.L-1 D. plasma osmotic pressure = 355 mosmol.L-1; plasma Na+ concentration = 161 mmol.L-1 E. None of the above answer choices correctly answers the question.
- Hypovolemia and circulatory failure in DKA and HHNKS can be attributed to which factors? Question 75 options: Hyperinsulinemia and renal impairment Hyperglycemia and osmotic diuresis Infection and counterregulatory hormones Metabolic acidosis and CNS depression8 +++ ➤ In the following table (Table 1), briefly describe the location and a function of each type of muscle tissue, with respect to the digestive system, and to the respiratory system: Table 1. The Role of Muscle Tissue in the Digestive and Respiratory Systems Muscle Location in our body tissue type skeletal cardiac smooth Focus Mode Function of that muscle tissue type with respect to the digestive system the respiratory system10) Osmoregulation refers to the ability of an organism to maintain homeostasis with respect to the solute concentration of their bodies. Euryhaline fish are able to live in both fresh water and salt water at different points of their life. In order to osmoregulate in both environments, one physiological change that occurs in these fish is the direction in which they actively transport ions across their gills. a) In what direction are ions actively transported across the gills of euryhaline fish when they are in freshwater versus salt water? In freshwater: (into body or out of body) In salt water: (into body or out of body) b) Briefly explain why active transport is required in these cases. 121 11) The table below compares and contrasts carrier protein pumps with clathrin-dependent receptor-mediated endocytosis. Fill in the empty spaces of the table with the appropriate ans Clathrin- Carrier protein dependent receptor mediated endocytosis pump Involvement of multiple types of proteins?…
- QUESTION 21 Which of the following is not a biologic effect produced by angiotensin II? reduces antidiuretic hormone secretion stimulates sodium ion (Na*) reabsorption in the kidney vasoconstriction of systemic arterial blood vessels stimulates aldosterone secretionTwo athletes, age 38, ran continuously for periods ranging from 60 to 165 min on a motor- driven treadmill at 255.7 m/min while confronted with an airflow equivalent to running speed in cool, moderate, and hot environments as part of their preparation for the Tokyo 2021 Olympic games . From the information given on Fig 2, which athlete, A or B, would be more likely to complete the marathon race? Use information from the graph to explain your answer. (4) 120 Athlete A 100 80 60 Athlete B 40 20- 12 24 36 48 60 72 Time (hours)The diffusional distance between the water and a capillary in the skin of a salamander is 1 μm. The Krogh’s diffusion coefficient is 25·10-6 nmol O2/sec·cm·mm Hg. Assume that the PO2 in salamander blood is 75 mm Hg, total atmospheric pressure is 760 mm Hg, water vapor pressure is 13 mm Hg, and α = 1.93 μmol O2/ml water·mm Hg. What is the rate of oxygen diffusion across a 1 cm2 patch of salamander skin? (Hint – you might not need all the data given. Start with Dalton’s Law and pay attention to units) (1 pt)
- Steven is a 35 year old male. To gain a better understanding of fluid requirement, you have decided to calculate his hourly sweat rate. You have collected the following data: · Exercise duration: 2 hours· Pre-exercise body mass: 85kg· Post-exercise body mass: 82.5kg· Fluid consumed during exercise: 350mL· Urine loss during exercise: 50mL From this data, what is his hourly sweat rate? Based on this, how much fluid should he consume during training?In cardiac muscle cells, the sodium-calcium exchanger maintains a low Ca²+ concentration in the cytoplasm. This antiporter works by exporting a single calcium ion for the import of three sodium ions. Find AG for the overall reaction.You have a 25 mL sample of acetylcholine (a neurotransmitter) with an unknown concentration and a pH of 7.93. You incubate this sample with the enzyme acetylcholinesterase to convert all of the acetylcholine to choline and acetic acid. The acetic acid dissociates to yield acetate and hydrogen ions. At the end of the incubation period, you measure the pH again and find that it has decreased to 6.15. Assuming there was no buffer in the assay mixture, determine the number of nanomoles of acetylcholine in the original 25 mL sample. Remember to use significant figures in your answer. сн, CH, сH, —с —о—сн, — сн, — N—сн, H,0 но—сн, ——сн,— "N—сн, + сH,—ҫ—о + H CH, ČH, Acetylcholine Choline Acetate 7.02 acetycholine in original sample: nmol Incorrect