The Structure of DNA (The Double Helix) DNA is made up of six smaller molecules -- a five carbon sugar called deoxyribose, a phosphate molecule and four different nitrogenous bases (adenine, thymine, cytosine and guanine).
(June 2012) (Learn how and when to remove this template message) Quarter marathon (QM) refers to either an exact race of a quarter of a marathon, or running for 10â15 kilometers (approx. 6.5â9 miles) without a rest. The former is held in many places around the world. Sisaket, a north-eastern province in Thailand, holds quarter marathons on the third Sunday of December every year.
What is an average time for a half marathon?   The time of the person in the middle of a half-marathon run in 2003 for men whereby 1409 runners competed is around 2 hours 30 mins.The fastest runner finished with a t â¦ ime of 1hr 12 mins 0 sec. The last runner finished in about 3 hrs 58 mins. The time of the person in the middle of a half-marathon run in 2003 for men whereby 1409 runners competed is around 2 hours 30 mins.