Structure of DNA Flashcards
1
Q
Double Helix
A
The shape and physical structure of DNA.
2
Q
Nucleotides
A
A strand of DNA is made of monomers called nucleotides.
3
Q
Chargaff’s Rule
A
The 1:1 ratio of pyrimidine and purine bases. More specifically how thymine and adenine are always together, and guanine and cytosine.
4
Q
Types of Bonds
A
Covalent
bonds are present on the backbone of each separate nucleotide. They hold the nucleotides together.
Hydrogen
bonds are present in the double helix. They hold the bases together.