BiOS 240 ail Exam 2 4 Which of the following are properties of hemocyanin? O, t
ID: 212252 • Letter: B
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BiOS 240 ail Exam 2 4 Which of the following are properties of hemocyanin? O, t is an oxygnen-transporting pigment it is concentrated in red blood cells d.) a and b all of the above 35. In which organisms would you expect the heart muscle, that drives systemic circulation, to be supplied with oxygenated blood? a. A human b. An octopus c. A honeybee d. A flounder e. A and B 36. What is the function of the crease running down the center of a lungfish hear a. it allows lungfish to bypass the lungs, when lungs are not in use b. it separates blood returning from their lungs and body C, it has no function-it shows that lungfish are un-evolved d. it allows the blood to be directed away from the kidneys when the fish is out e a andb 37. Which of the following organisms would you expect to exhibit the highest a. a frog b. a gerbil, in the wild c. a human, drinking beer d. a trout, migrating in fresh water e an ostrich 38. In a grasshopper, where is the heart? a.. the abdomen, centered b. ventral, in thorax c.. there are hearts distributed in various parts of the animal d.. technically they have no hearts e, dorsally located, running length of body from thorax to abdomernExplanation / Answer
34)Option d is correct as hemocyanins are proteins that transport oxygen throughout the bodies of some invertebrate animals.
The hemolymph of invertebrates contains freely circulating respiratory pigments or intracellular hemoglobins present as monomers or dimers. Vertebrates have heterogeneous, tetrameric hemoglobins composed of pairs of dissimilar globin chains ( and )
35) Option e is correct as both human and octopus have closed type of circulatory system.
38)A heart-like structure in the upper part of the abdomen pumps the fluid to the head from where it percolates past the tissues and organs on its way back to the abdomen. So option d is correct as technically speaking there is no proper heart.
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