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adenine, guanine, DNA, RNA,Watson and Crick blah blah blah

Watson and Crick

two male scientists that discovered (using evidence from past scientific discoveries made by other scientists) that DNA is in the form of a double helix

double helix

a word used to describe the double winding staircase shape of DNA


a base only found in RNA and not in DNA, that is paired with adenine in RNA


a base found in DNA and not RNA that pairs with adenine in DNA. the letter "T" is an abbreviation for this base

hydrogen bonds

type of bonds that hold bases together

Erwin Chargaff

scientist that discovered base pairs and complementary base pairs

complementary base pair

a pair of bases (such as guanine and cytosine) that always pair together


a structure that makes up DNA. consists of a phosphate, five carbon sugar (deoxyribose in DNA, ribose in RNA), and a nitrogen containing base (a.k.a. nitrogenous base) {...note: anything that ends in -ose is a sugar}

adenine, thymine, guanine, and cytosine

the abbreviations a,t,g, and c stand for the bases _______, ________, _________ and ___________

neighboring nucleotides

nucleotides on the same strand are

complementary nucleotides

nucleotides opposite to each other


tells enzymes to start

termination signal

tells enzymes to stop


series made up of 3 bases; each series creates an amino acid

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