Complementary base pairing Flashcards
1
Q
What is complementary base pairing?
A
How many bonds they are able to form when binded together.
2
Q
What does adenine pair with and how many bonds do they form?
A
- thymine
- 2 hydrogen bonds
3
Q
What does cytosine pair with and how many bonds do they form?
A
- Guanine
- 3 hydrogen bonds
3
Q
What does Thymine pair with and how many bonds do they form?
A
- adenine
- 2 hydrogen bonds
4
Q
What does Guanine pair with and how many bonds do they form?
A
- cytosine
- 3 hydrogen bonds
5
Q
What is the base pairing rule with purines and pyrimidines?
A
- smaller pyrimidines always pair up with larger purines
6
Q
What is the rule between A & T or G & C ?
A
The number of A & T molecules will always be equal and the number of C & G will always be equal.
7
Q
What does it mean if 2 strands are antiparallel?
A
The two strands are arranged so that they run in opposite directions.
