Name:
Period:
DNA Base Pairings Activity
Match the following DNA base pairs with their corresponding base.
A
C
G
T
T
A
G
G
T
C
T
A
C
G
C
C
A
A
T
G
G
C
A
G
T
C
A
A
T
G
A
T
C
G
T
A
G
T
C
A
A
T
G
C
T
T
G
C
A
T
T
A
G
C
1. Chargaff’s rule states that the amount of ________________ is equal to its only matching base
_________________. In addition, the amount of _________________ is equal to its only matching base
________________.
2. What is the complete name of DNA?
3. In a strand of DNA, the percentage of thymine is 30%/ According to Chargaff’s rule, what is the percentage of
cytosine in the same strand of DNA?
4. Name the scientist(s) responsible for each of the following discoveries:
Discovery
Bacterial transformation
DNA is the genetic material in viruses
DNA’s shape is a double helix
Base-pair rules
5. Guanine and cytosine are linked by what kind of bond and how many?
a. Bond type:
b. Number of bonds:
6. Adenine and thymine are linked by what kind of bond and how many?
a. Bond type:
b. Number of bonds:
Name