DNA Flashcards
1
Q
Structure of DNA
A
A double helix 2 long polynucleotide polymer chains Wound around each other Bases joined/linked by hydrogen bonds Run in opposite directions (anti parallel)
2
Q
A DNA molecule is…
A
The monomers linked together are called nucleotides
Linked by phosphodiester bonds
3
Q
Each nucleotide consists of…
A
Phosphate group
Pentode sugar (deoxyribose)
Nitrogenous base
4
Q
Eukaryotic DNA
A
Wound around histones (proteins) linear chromosomes Contained within a nucleus Larger Coiled up tightly
5
Q
Prokaryotic DNA
A
Shorter and circular
Condensed to fit in the cell by supercoiling
Not contained within a nucleus
