consist of two assemblies of two pieces each.
door header
door header
hithe uprights are the phosphate & the sugar(ribose or deoxyribose) i think another name for uprights is the backbone.
18 - 19 uprights is the average.
The things (usually yellow) that stand at the end of the touchdown zone that field goals are kicked through.
"To split the uprights" refers to successfully kicking a field goal in American football by sending the ball between the two goalposts, which are referred to as the uprights. It is a common way to score points in the game.
Risers.
what are the
In the NFL, rules state that the uprights must extend for at least 20 feet above the crossbar.
It is called a Goal. It is worth 6 points. The minor score of a 'Behind' worth 1 Point is awarded for a kick between the main uprights and the outer lower uprights. 1 Point is also awarded if a kick through the Center Uprights is touched in flight by an opposing team player or if it touches the uprights in flight. In other words to get the 6 points it must go untouched between the center uprights.
The uprights is another word for the goalposts.
If it passes between the uprights and above the crossbar, it counts. Otherwise, it does not count.