ka1 Structure of DNA Flashcards
1
Q
Base that pairs with thymine (uracil in RNA)
A
Adenine
2
Q
What does nucleotides consist of
A
Phosphate, deoxyribose sugar and base
3
Q
Nucleotides are held together by what?
A
Weak hydrogen bonds
4
Q
Antiparallel ?
A
One strands runs in a 5’ to 3’ direction and the other runs in 3’ to 5’ direction
5
Q
3 domains of life ?
A
Bacteria
Archaea
Eucarya
6
Q
Prokaryotes
A
•cytoplasm
•circular chromosome
•plasmids
7
Q
Eukaryote
A
•Nucleus
•linear chromosome
•histones
•mitochondria/ chloroplasts which have circular chromosomes
8
Q
Yeast
A
•Eukaryote
•nucleus
•linear chromosome
•plasmids
9
Q
What nucleotide is found at the 3’ and what nucleotide is found at the 5’ end of a DNA strand
A
Deoxyribose is the 3’
Phosphate is the 5’
