Biology, 23.09.2019 09:20 mshields1994
Inbreeding does not change allele frequencies and the relative number of heterozygotes. a. decreases b. increases c. maintains d. none of the above
Answers: 1
Biology, 21.06.2019 23:40
Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere
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Biology, 22.06.2019 13:00
Pulmonary arteries carry highly oxygenated blood. true or false?
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Biology, 22.06.2019 18:00
After a group of researchers conducts a new experiment that has never been conducted before, what is the best way for other scientists to make sure that the data is real
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Biology, 22.06.2019 19:30
On a backpacking trip, kenny hikes all day at a steady pace, covering 30 kilometers and burning 4000 calories. at the school track, janelle runs the 100-meter sprint in 13.5 seconds, burning 10 calories. afterward, janelle’s leg muscles are aching and she is breathing hard, while kenny maintains normal breathing all day, even though he burns 400 times more calories than janelle. which two statements offer the best explanation for this phenomenon? a. if the aerobic pathway—cellular respiration—cannot meet the energy demand, then the anaerobic pathway—lactic acid fermentation—starts up, resulting in lactic acid buildup and "oxygen debt." b. aerobic cellular respiration produces more energy, but its use is limited because of lactic acid buildup in the muscles and the resulting "oxygen debt." c. after about 90 seconds of intense exercise, the muscles become depleted of oxygen, and anaerobic respiration can no longer function to produce atp, resulting in "oxygen debt." d. the rate of energy demand determines how the muscles will obtain energy, either from cellular respiration or from lactic acid fermentation if not enough oxygen is present.
Answers: 3
Inbreeding does not change allele frequencies and the relative number of heterozygotes. a. decrease...
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