DNA Flashcards
0
Q
Four nitrogenous bases in DNA
A
Adenine, thymine, cytosine and guanine
1
Q
Building blocks of DNA
A
Phosphate group, deoxyribose sugar and nitrogen base
3
Q
How are DNA nucleotides linked together?
A
Hydrogen bonds
4
Q
How is the DNA backbone linked together?
A
Covalent bonds
5
Q
In what direction geos DNA replication?
A
from 5´to 3´
6
Q
What are the differences between DNA and RNA?
A
DNA: -deoxyribose - adenine, thymine, cytosine and guanine - 2 strands RNA: -ribose -has urasil instead of thymine -1 strand
