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Biology, 22.06.2019 13:10, mroueh21
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
Answers: 2
Biology, 22.06.2019 20:30, sonykorah7279
What methods do scientists use to predict volcanic eruptions? select all that apply
Answers: 1
Biology, 22.06.2019 21:00, torrencek1
What are the basics of the induced fit model of enzyme action?
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Biology, 22.06.2019 21:00, whereswoodruff
Some steps in cell division are shown below: 1. chromosomes condense and pair up 2. segments of dna of sister chromatids twist and cross 3. exchange of dna occurs between chromosomes 4. four daughter cells are created that are haploid which of the following steps is least likely to occur during meiosis 1?
Answers: 1
Social Studies, 12.10.2020 21:01
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History, 12.10.2020 21:01
History, 12.10.2020 21:01