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4. what types of substances can go directly through the cell membrane? What types of substances will need the help of various proteins for transport?
Answers: 3
Biology, 21.06.2019 21:30
In which case would a scientist choose to use a dissecting microscope rather than a compound microscope
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Biology, 22.06.2019 07:00
An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?
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Biology, 22.06.2019 14:00
What is one reason why transpiration is important in plants? question 19 options: it produces food from the sugar in the plant cells. it enables the flow of water out of the plant. it produces carbon dioxide in the leaves of the plant.
Answers: 1
4. what types of substances can go directly through the cell membrane? What
types of substances wi...
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