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Handouts # ____
Name: ______________________________________ Date: _______ Period: A B C D
DNA Structure Worksheet
Label the following parts of DNA.
Phosphate
Sugar
Nitrogen Base
Base pair
Hydrogen bond
Nucleotide
A nucleotide is made of three parts. These three parts are:
1. _____________________ 2. _____________________ 3. ___________________
Write out the full name for DNA. ___________________________________________
What are the sides of DNA made of? _________________________________________
What are the “rungs” of the DNA ladder made of? _______________________________
Where is DNA located? ___________________________________________________
What is DNA? __________________________________________________________
How do the bases bond together? A bonds with ____
G bonds with ____
What are the two strands of DNA held together by? _____________________________
______ Based on the base pairing system, which of the following is/are true?
A. Cells contain the same amount of T as A
B. Cells contain the same amount of C as G
C. Cells contain the same amount of T as G
D. Cells contain the same amount of A as C
What is the shape of DNA? ______________________________________________
Write the complementary sequence of DNA. In other words, if this were one side of the DNA
molecule sequence, what would the sequence be for the other side so they paired up
correctly?
A
_
T
_
C
_
G
_
T
_
A
_
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