Biology, 25.06.2019 10:00 kyle696969
3which statement best describes a cause and its effect that occurs during the process of muscle contraction? a. the release of calcium ions causes myosin and actin to attach to each other. b. the pull of myosin on actin causes the motor neuron to send a nerve impulse. c. the presence of calcium ions within nerve cells causes the sarcomere to shorten. d. the shortening of the sarcomere causes the release of calcium around the myofibrils.
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Biology, 21.06.2019 17:20, Ap621765
Joe is breeding cockroaches in his dorm room. he finds that the average wing length in his population of cockroaches is 4 cm. he chooses the six cockroaches that have the largest wings; the average wing length among these selected cockroaches is 10 cm. joe interbreeds these selected cockroaches. from earlier studies, he knows that the narrow-sense heritability for wing length in his population of cockroaches is 0.6. a. calculate the selection differential and expected response to selection for wing length in these cockroaches. b. what should be the average wing length of the progeny of the selected cockroaches?
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Biology, 21.06.2019 19:30, pleasehelpme71
What effect does plate tectonics have an organic evolution
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Biology, 21.06.2019 22:10, jakhunter354
Amouse that is homozygous for the dominant trait has the genotype . it has . a mouse that is homozygous for the recessive trait has the genotype . it has . image of fur color of mice
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Biology, 22.06.2019 06:50, Jingobob442
Which organelle breaks down sugar molecules that supply energy to the cell ?
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3which statement best describes a cause and its effect that occurs during the process of muscle cont...
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