DNA

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deoxyribonucleic acid
A nucleic acid found in all living cells which carries the organism's hereditary information, found inside the nucleus of cells.
DNA
stands for deoxyribonucleic acid
nucleotide
A part of DNA formed from a sugar, a phosphate group, and 1 nitrogenous base.
adenine
A nitrogen base - thymine bonds with.
thymine
A nitrogen base - adenine bonds with.
guanine
A nitrogen base - cytosine bonds with.
cytosine
A nitrogen base -- guanine bonds with.
double helix
Shape of DNA
chromosome
humans have 23 pair -- pieces of dna
genes
the instructions on the dna that gives us our traits
sugar- phosphate Backbone
The sides of the DNA ladder are made of alternating molecules of sugar and phosphate.
Nitrogen Bases
the chemicals in the center of the DNA molecule.
Deoxyribonucleic Acid
What does D.N.A. stand for?
Adenine, Thymine, Cytosine, Guanine
Name the nitrogen bases found in DNA.
James Watson, Francis Crick, Maurice Wilkins
Name the scientists who are credited for discovering the structure of DNA.
Made up of two spirals.
Why is the molecule referred to as a double helix?
Hydrogen Bonds
Each nitrogen base is held together in the middle of the molecule by this type of bond.
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