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Biology, 21.06.2019 21:00
Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria
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Ture or false evidence for evolution includes millions of fossils
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Biology, 22.06.2019 11:00
The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian
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Afarmer has chosen to breed a rooster and a chicken. he selects the chicken that has historically la...
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