Biology, 29.02.2020 01:03 augustxnicki
A number of marine reptiles and birds have salt glands, which have a remarkable ability to concentrate salt solutions for excretion. These organs are used by these animals to remain in osmotic balance despite their hyperosmotic environment. (Hint: You will need to look up the concentration of Na in sea water to know how much Na" the animal took in). (Group E) a. How much water would it take to excrete, via the salt gland, a sodium load from ingesting 100 ml of sea water if the average sodium concentration of the salt glands's secretion is 600 mmoVL?b. How much water would be needed to excrete the same sodium load if the average sodium concentration of the salt gland's secretion were only 300 mmol/L?c. Which secretion is hyperosmotic to seawater?d. What is necessary for salt glands to be advantageous for osmoregulation?
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Biology, 22.06.2019 03:30
Someone me with this: a mineral' is determined by its actomic structure.
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Biology, 23.06.2019 01:30
Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. a parakeet that is heterozygous for blue feathers (dominant) is crossed with a parakeet that is homozygous for white feathers (recessive). according to the punnett square for this cross, what percentage of offspring is predicted to have blue feathers? 25 percent 50 percent 75 percent 100 percent
Answers: 3
A number of marine reptiles and birds have salt glands, which have a remarkable ability to concentra...
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