title: Checkpoint
text: # Checkpoint
  
  Checkpoint may refer to:
  
  ## Places
  
  * Border checkpoint, a place on the land border between two states where travellers and/or goods are inspected
  * Security checkpoint, erected and enforced within contiguous areas under military or paramilitary control
  * Random checkpoint, a police or military checkpoint that is moved to various locations
  * Weigh station, a highway checkpoint to inspect vehicular weights
  
  ## Arts and entertainment
  
  * Checkpoint (G.I. Joe), a fictional character in the G.I. Joe universe
  * Checkpoint (Transformers), two fictional characters in the Transformers universes
  * Checkpoint (novel), a 2004 novel by Nicholson Baker
  * Checkpoint (journal), 1969-1974
  * Checkpoint (pinball), a 1991 pinball machine released by Data East
  * Checkpoint (video gaming), locations in a video game where a player character respawns after death
  * CheckPoint, a web series by sketch comedy group LoadingReadyRun
  
  ### Film and television
  
  * Checkpoint (1956 film), a British crime drama film
  * Checkpoint (2003 film), a documentary on checkpoints in the Occupied West Bank
  * Checkpoint (Dutch TV show), a popular Dutch children's TV show
  * "Checkpoint" (Buffy the Vampire Slayer), a 2001 episode of the television series Buffy the Vampire Slayer
  
  ## Science and technology
  
  * Counting point, a concept in logistics
  
  ### Biology
  
  * Cell cycle checkpoint, control mechanisms in eukaryotic cell division
     * G1 restriction point
     * S postreplication checkpoint, prevents cell cycle progression until postreplication repair
     * G2-M DNA damage checkpoint
     * M spindle checkpoint, prevents anaphase onset until all chromosomes are properly attached to the spindle
  * Immune checkpoint
  
  ### Computing
  
  * Application checkpointing, a method in computing whereby the state of a program is saved
  * Transaction checkpoint, for recovery in data management
  
  ## Organisations
  
  * Checkpoint Systems, a provider of merchandise availability solutions for the retail industry
  * Checkpoint (rapid HIV testing facility), a former HIV testing facility based in Amsterdam
  * Check Point, a software company that is best known for its firewall and VPN products
  * Checkpoint, a tax and accounting database produced by Thomson Reuters
  
  ## Sports
  
  * Control point (orienteering) or checkpoint, a marked waypoint used in orienteering and related sports
  * Racing checkpoint, a specific point partway through a racing course where a contestant's subtotal time is recorded
  