Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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Medication errors are three times higher among children and infants than with adults.
Scheme of the principle of the fluorescent in situ hybridization to localize a gene in the nucleus.
Basic principle of target-probe hybridization in microarray chips.
In situ hybridization of a zebrafish embryo 48 hours after fertilization
Diagrammatic representation of the process of molecular hybridization