Structure Of DNA Flashcards
1
Q
What does DNA stand for
A
Deoxyribose nucleic acid
2
Q
What do nucleotides bond to form in DNA
A
They bond to form a sugar-phosphate backbone
3
Q
What are nucleotides composed of
A
Deoxyribose sugar (D) phosphate (P) and a base (B)
4
Q
What bonds DNA base pairs together
A
Weak hydrogen bonds
5
Q
What are the DNA base pairs
A
Adenine - thymine
Cytosine - Guanine
6
Q
What do the base sequences form
A
The organisms genetic code
7
Q
What type of structure does DNA have
A
An antiparallel structure Meaning the 2 strands run in opposing directions with one need bearing deoxyribose 3’ end and the other the phosphate 5’ end
8
Q
What do the double strands in DNA twist in to
A
A double helix
