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The cell membrane regulates which materials are allowed to enter and exit a cell by allowing some materials into the cell, but not everything, making it
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Biology, 22.06.2019 08:30
Construct at least two possible hypotheses for the student’s experiment.
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Biology, 22.06.2019 13:10
Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed
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Biology, 22.06.2019 18:00
Select the correct answer. for their summer holiday, jane and her family are visiting places surrounding the mediterranean sea. which type of biome is jane and her family visiting? a. rainforest b. shrubland c. tundra d. coniferous forest reset next
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Biology, 22.06.2019 19:00
What is the next step in muscle contraction after the actin changes shape
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The cell membrane regulates which materials are allowed to enter and exit a cell by allowing some ma...
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