Which of the following has the lowest pressure?
A) Capillaries B) Veins C) Arterioles D) Venules E) Arteries
B
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One day during the summer you and some friends make ice cream using an electric ice cream maker. To get the ice cream to form, a mixture of salt and ice is packed around the ice cream maker. A few days later you notice a yellow circle of dead grass where the ice cream maker had been placed. You hypothesize that some of the salt and ice mixture spilled onto the grass and ___.
A. froze the grass B. was isosmotic to the grass cells causing the yellow circle of dead grass C. was hyperosmotic to the grass cells causing the yellow circle of dead grass D. was hypoosmotic to the grass cells causing the yellow circle of dead grass Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you know about osmotic concentration? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which of the following is not a characteristic of normal cells?
A. They grow as a monolayer. B. They grow as multiple layers. C. They undergo a limited number of divisions and then die. D. They stick tightly to the surface of glass culture dishes.
Beginning with the heart, which is the correct order of blood flow, as represented by steps 1-5 in the flow chart below?
a. capillaries, venules, veins, arteries, arterioles b. arterioles, arteries, venules, veins, capillaries c. arteries, arterioles, capillaries, venules, veins d. veins, venules, capillaries, arterioles, arteries e. arteries, veins, arterioles, capillaries, venules
The most common disorder of skeletal muscles is
1.infection. 2.disease. 3.fatigue. 4.injury. 5.loss of fibers.