I’m stuck, did I choose the right answer?
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Biology, 20.06.2019 18:04, monayemcnett11
All cells have the same genetic information, but do not express the same genes. how is this possible? question 10 options: the differences are due to gene expression, which can be turned on and off. genetic material in a muscle cell is completely different from genetic material in a skin cell. genetic material is the same in all cells in the human body, except for reproductive cells. differences are due to major changes in genetic information from cell to cell.
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Biology, 21.06.2019 20:40, jaycie16
Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling
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Biology, 22.06.2019 09:30, ylianafghgfdsnm1479
Natural resources are any materials that humans obtain from the earth to meet our wants and needs.
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