30 Beautiful Facts about DNA1. 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 “basesâ€
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 amoun tof 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.Our entire DNA sequence is called a genome.
22.There’s an estimated 3 billion DNA bases in our genome.
23.One million bases (called a megabase and abbreviated Mb) of DNA sequence data is roughly equivalent to 1 megabyte of computer data storage space.
24.Our entire DNA sequence would fill 200 1,000-page New York City telephone directories.
25. A complete 3 billion base genome would take 3 gigabytes of storage space.
26.If unwound and tied together, the strands of DNA in one cell would stretch almost six feet but would be only 50 trillionths of an inch wide.
27.In humans, the DNA molecule in a non-sex cell would have a total length of 1.7 metres.
28.If you unwrap all the DNA you have in all your cells, you could reach the moon 6000 times!
29.Our sex cells–eggs and sperm–have only half of our total DNA.
30.Over 99% of our DNA sequence is the same as other humans’.
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Topic: The beauty of DNA (Read 780 times)