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Nucleus of a sperm

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Wednesday, March 27, 2019 3:20:35 AM
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In italy, men pay at the first date.. In cell biologythe nucleus pl. Eukaryotes usually have a single nucleus, but a few cell types, such as mammalian red blood cells, have no nucleiand a few others including osteoclasts have many. Centerfold Cell nuclei contain most of the cell's Nucleus of a sperm materialorganized as multiple long linear DNA molecules in a complex with a large variety of proteinssuch as histonesto form chromosomes.Sperm nucleus definition is - either of two nuclei that derive from the generative nucleus of a pollen grain and function in the fertilization of a seed plant. sperm nu·cle·us the nucleus in the head of the sperm, which becomes the male pronucleus after entering the oocyte. See also: pronucleus. nucleus .

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In the types of sexual reproduction known as anisogamy and its subtype oogamy , there is a marked difference in the size of the gametes with the smaller one being termed the "male" or sperm cell. A uniflagellar sperm cell that is motile is referred to as a spermatozoon , whereas a non-motile sperm cell is referred to as a spermatium. Sperm cells cannot divide and have a limited life span, but after fusion with egg cells during fertilization, a new organism begins developing, starting as a totipotent zygote. The human sperm cell is haploid , so that its 23 chromosomes can join the 23 chromosomes of the female egg to form a diploid cell.

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Nucleus of a sperm


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Nucleus , in biology, a specialized structure occurring in most cells except bacteria and blue-green algae and separated from the rest of the cell by a double layer, the nuclear membrane. This membrane seems to be continuous with the endoplasmic reticulum a membranous network of the cell and has pores, which probably permit the entrance of large molecules. The nucleus controls and regulates the activities of the cell e. Nucleoli are small bodies often seen within the nucleus; they play an important part in the synthesis of ribonucleic acid RNA and protein.

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Do sperm cells have a nucleus? Would you like to merge this question into it? Would you like to make it the primary and merge this question into it? Merge this question into. Split and merge into it.

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