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Biology, 22.06.2019 02:00
Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .
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Biology, 22.06.2019 06:30
Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?
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Biology, 22.06.2019 10:00
Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. oneβway valves in veins c. thin muscular walls of veins
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Biology, 22.06.2019 15:10
When energy is used, atp molecules convert to adp molecules. this process is called
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