checkpoint entry

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• Checkpoint (pinball) — Checkpoint Manufacturer Data East Release date February 1991 System DataEast/Sega Version 3 Design Designers: Joe Kaminkow, Ed Cebula Programmers: Rehman Merchant …   Wikipedia

• Checkpoint Bravo — Bridge building of former Checkpoint Bravo at Berlin Dreilinden Drewitz. Road photographed from A 115, view from north …   Wikipedia

• checkpoint — Any stage in the cell cycle at which the cycle can be halted and entry into the next phase postponed. Two major checkpoints are at the G1/S and G2/M boundaries. These are the points at which cdcproteins act …   Dictionary of molecular biology

• Security checkpoint — Checkpoint near Abu Dis, the West Bank …   Wikipedia

• Cell cycle checkpoint — Cell cycle checkpoints are control mechanisms that ensure the fidelity of cell division in eukaryotic cells. These checkpoints verify whether the processes at each phase of the cell cycle have been accurately completed before progression into the …   Wikipedia

• Meiotic recombination checkpoint — The meiotic recombination checkpoint monitors the meiotic recombination during meiosis, and blocks the entry into metaphase I if the recombination is not efficiently processed. Meitotic recombination contributes to the cells in two different ways …   Wikipedia

• Spindle checkpoint — The spindle checkpoint blocks the entry of a cell undergoing mitosis into anaphase until all chromosomes are properly attached to the meiotic or mitotic spindle. To achieve proper segregation, the two kinetochores on the sister chromatids must be …   Wikipedia

• Border checkpoint — The San Ysidro border crossing between San Diego Tijuana is the second busiest border crossing in the world.[1] A border checkpoint is a place, generally between two countries, where travellers and/or goods are inspected. Authorization often is… …   Wikipedia

• Port of entry — A port of entry is a place where one may lawfully enter a country. It typically has a staff of persons who check passports and visas and inspect luggage to assure that contraband is not imported. International airports are usually ports of entry …   Wikipedia

• CHFR — Checkpoint with forkhead and ring finger domains, also known as CHFR, is a human gene.cite web | title = Entrez Gene: CHFR checkpoint with forkhead and ring finger domains| url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene Cmd=ShowDetailView …   Wikipedia

• Berlin Wall — For the chess opening variation, sometimes known as Berlin Wall, see Berlin Defence. View from the West Berlin side of graffiti art on the wall in 1986. The wall s infa …   Wikipedia