the unequal cytoplasmic division that results in one egg and three polar bodies ensures that a fertilized egg has ample nutrients forits journey to the uterus.
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Long term continuous groundwater monitoring, especially with warning systems and anthropic activity monitors
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b tumor cells have a cell wall instead of a membrane
explanation:
tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.
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Biology, 21.06.2019 22:00
Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.
Acell in the human nervous system whose primary function is to form myelin and the blood-brain barrier, respond to injury, remove debris, and enhance learning and memory is called a(n) cell.