DNA structure Flashcards
1
Q
Nucleotide
A
Building block of RNA and DNA, made of sugar molecule attached to phosphate group and nitrogenous base
2
Q
4 nitrogen bases
A
Adenine, Thymine, Guanine, Cytosine
3
Q
Phosphodiester bonds
A
Strong bonds that connect sugar and phosphate to form sugar-phosphate backbone in a strand of DNA
4
Q
Hydrogen bonds
A
Two bonds between A and T, and three between C and G to connect two strands together
5
Q
Antiparallel
A
Parallel but moving in opposite directions
6
Q
Polypeptide
A
Sequence of amino acids joined together by peptide bonds
