Species of cells beneath the Earth’s surface. It has a cell wall, cilia (hair-like projections), flagella (a tail-like projection), free-floating DNA, and ribosomes. It is a simple, single-celled organism. The scientists who discovered the cell are attempting to classify it. What kind of organism is it?
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Biology, 21.06.2019 20:40
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, 21.06.2019 22:00
Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth
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Biology, 22.06.2019 09:00
Which heredity condition causes a buildup of mucus in lungs and pancreas? a. cystic fibrosis b. heart disease c. huntington's disease d. sickle cell anemia
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Biology, 22.06.2019 10:00
Suppose you use three different scale to weigh a bag of oranges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of oranges is 2.153 lb. which of the following best decribes these results?
Answers: 2
Species of cells beneath the Earth’s surface. It has a cell wall, cilia (hair-like projections), fla...
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