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Prophase is the first stage of mitosis in animal cells, and the second stage of mitosis in plant cells. [10] At the start of prophase there are two identical copies of each chromosome in the cell due to replication in interphase. These copies are referred to as sister chromatids and are attached by DNA element called the centromere. [11]
The dictyate or dictyotene [1] is a prolonged resting phase in oogenesis.It occurs in the stage of meiotic prophase I [2] in ootidogenesis.It starts late in fetal life [2] and is terminated shortly before ovulation by the LH surge. [3]
At the beginning of preprophase, the cortical microtubules of a plant cell disappear and aggregate into a dense ring underneath the plasma membrane. This preprophase band runs around the equatorial plane of the future mitotic spindle and marks the plane of cell division and future fusion site for the cell plate.
[1] Just before mitosis starts, the preprophase band forms as a dense band of microtubules around the phragmosome and the future division plane just below the plasma membrane . It encircles the nucleus at the equatorial plane of the future mitotic spindle when dividing cells enter the G2 phase of the cell cycle after DNA replication is complete.
There are 54 ethnic groups in Vietnam as officially recognized by the Vietnamese government. [1] Each ethnicity has their own unique language, traditions, and culture. The largest ethnic groups are: Kinh 85.32%, Tay 1.92%, Thái 1.89%, Mường 1.51%, Hmong 1.45%, Khmer 1.32%, Nùng 1.13%, Dao 0.93%, Hoa 0.78%, with all others accounting for the remaining 3.7% (2019 census). [2]
[1] There are a few country names borrowed from French and Russian as Vietnam's history is closely linked to France and Russia. Countries whose names borrow from French are: Morocco, Cyprus, Lebanon, Saudi Arabia, Czech. And the countries whose names borrowed from Russian are Georgia and Lithuania.
The Vietnamese Wikipedia (Vietnamese: Wikipedia tiếng Việt) is the Vietnamese-language edition of Wikipedia, a free, publicly editable, online encyclopedia supported by the Wikimedia Foundation. Like the rest of Wikipedia, its content is created and accessed using the MediaWiki wiki software.
Từ điển bách khoa toàn thư Việt Nam (Encyclopedia of Vietnam), a state-sponsored encyclopedia which was published in 2005. Vietnamese Wikipedia, a project of the Wikimedia Foundation. Vietnam War encyclopedias. Encyclopedic works and encyclopedias focused on Vietnam War-related topics.