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.
How many miles are there in a 5K, 10K, marathon or half marathon race or walk? How long does it take to walk those distances at a fast pace, a moderate pace, or an easy pace? Here are the basics for these common race distances. Kilometer: A kilometer is 0.62 miles, 3281.5 feet, or 1000 meters.