DNA Flashcards
How many rings do Purines have?
2 rings
How many rings do Pyrimidines have?
1 ring
The number of Cytosines in a molecule of DNA should equal the number of ___.
Guanines
What are the four nitrogen bases?
Thymine|Adenine|Guanine|Cytosine
What is the shape of DNA?
Double Helix
What type of bonds are found between nitrogen bases?
Hydrogen bonds
How many hydrogen bonds do Adenine and Thymine have?
2 hydrogen bonds
How many hydrogen bonds do Cytosine and Guanine have?
3 hydrogen bonds
What shape are Eukaryotic chromosomes?
Linear
What shape are Prokaryotic chromosomes?
Circular
What does DNA store?
Genetic information to build proteins
What are three nucleotides called?
Codon
What does Codons code for?
Amino Acids
What makes up the sugar-phosphate backbone?
Deoxyribose sugar and phosphate
What proteins help keep DNA coiled?
Nucleosomes and Histones
What is DNA coiled into?
Chromosomes