Biology, 01.08.2019 12:30 jeffyisdrunk
Pollen is produced in structure h in the image. what is this structure called? a) anther b) filament c) pistil d) stamen
Answers: 2
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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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Which of the following explains why a tree is often used as a model to represent the principle of common descent
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Biology, 22.06.2019 13:00
Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.
Answers: 3
Pollen is produced in structure h in the image. what is this structure called? a) anther b) filamen...
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