What is the structure of DNA?
*DNA Structure, History, & Replication

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Biology
•
9th - 10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
DNA is a double helix made up of two strands of nucleotides twisted around each other.
2.
FLASHCARD QUESTION
Front
What are the building blocks of DNA?
Back
Nucleotides, which consist of a sugar, a phosphate group, and a nitrogenous base.
3.
FLASHCARD QUESTION
Front
What are the four nitrogenous bases in DNA?
Back
Adenine (A), Thymine (T), Cytosine (C), and Guanine (G).
4.
FLASHCARD QUESTION
Front
What is the base pairing rule in DNA?
Back
A pairs with T, and C pairs with G.
5.
FLASHCARD QUESTION
Front
Where is DNA located in eukaryotic cells?
Back
In the nucleus.
6.
FLASHCARD QUESTION
Front
What is the process of DNA replication?
Back
The process by which DNA makes a copy of itself before cell division.
7.
FLASHCARD QUESTION
Front
What is the role of helicase in DNA replication?
Back
Helicase unwinds the DNA double helix.
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