What are the two molecules that form the sides (backbone) of the DNA ladder?
DNA Structure

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Science
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9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Deoxyribose sugar and phosphate.
2.
FLASHCARD QUESTION
Front
If a DNA molecule consists of 29% Guanine, what percentage of Cytosine will it contain?
Back
29%.
3.
FLASHCARD QUESTION
Front
In eukaryotes, where is DNA usually found?
Back
In the nucleus.
4.
FLASHCARD QUESTION
Front
What molecule is represented by the structure shown in a typical DNA diagram?
Back
A DNA molecule.
5.
FLASHCARD QUESTION
Front
What is a nucleotide?
Back
A nucleotide is the basic building block of DNA, consisting of a deoxyribose sugar, a phosphate group, and a nitrogenous base.
6.
FLASHCARD QUESTION
Front
What are the four nitrogen bases found in DNA?
Back
Adenine (A), Thymine (T), Cytosine (C), and Guanine (G).
7.
FLASHCARD QUESTION
Front
What is the base pairing rule in DNA?
Back
Adenine pairs with Thymine, and Cytosine pairs with Guanine.
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