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Which part of the cell membrane is polar and allows the cell to exist in water? a. phosphate groups b. fatty acid chains c. nucleus d. globular proteins?
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Biology, 21.06.2019 22:40
Environmental differences within ecosystems are generally caused by
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Biology, 21.06.2019 23:00
Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings
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Biology, 22.06.2019 05:10
7. describe two strategies that parents can use to cope with stress. 8. describe the three types of childcare available to families. 9. what can parents do to be more involved in their children's education at home and at school? 10. which factors should a parent consider when choosing a childcare option?
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Biology, 22.06.2019 11:30
According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes
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Which part of the cell membrane is polar and allows the cell to exist in water? a. phosphate groups...
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