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The energy needed to win a 1-minute foot race is produced mostly by?
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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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Which enzyme is responsible for “unzipping" the dna by breaking the hydrogen bonds between the nucleotides?
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The energy needed to win a 1-minute foot race is produced mostly by?...
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