6. Molecular Genetics Flashcards
1
Q
What is the structure of DNA?
A
A nitrogen base attached to a 5 carbon deoxyribose sugar
A phosphate group attached to a carbon that is attached to the sugar on the fourth carbon
2
Q
What makes up the backbone of dna?
A
Deoxyribose sugar and phosphate group attached
3
Q
What are purines?
A
Adenine
Guanine
4
Q
What are pyrimidines?
A
Cytosine
Thymine / Uracil
5
Q
How many h bonds form between adenine and thymine?
A
2
6
Q
How many h bonds form between guanine and cytosine?
A
3
7
Q
What phenomenon results in dna arranging in the anti parallel double helix model?
A
Pi stacking force