Skip to main content

Posts

Showing posts from October, 2019

100 facts about DNA

100 Facts About DNA 1.DNA stands for deoxyribonucleic acid. 2.DNA is part of our definition of a living organism. 3.DNA is found in all living things. 4.DNA was first isolated in 1869 by Friedrich Miescher. 5.James Watson and Francis Crick figured out the structure of DNA. 6.DNA is a double helix. 7.The structure of DNA can be likened to a twisted ladder. 8.The rungs of the ladder are made up of “bases” 9.Adenine (A) is a base. 10.Thymine (T) is a base. 11.Cytosine (C) is a base 12.Guanine (G) is a base. 13.A always pairs with T in DNA. 14.C also pairs with G in DNA. 15.The amount of A is equal to the amount of T, same for C and G. 16.A+C = T+G 17.Hydrogen bonds hold the bases together. 18.The sides of the DNA ladder is made of sugars and phosphate atoms. 19.Bases attached to a sugar; this complex is called a nucleoside. 20.Sugar + phosphate + base = nucleotide. 21.The DNA ladder usually twists to the right. 22.There are many conformations of DNA: A-DNA...