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9th Grade DNA Structure Quizzes , Questions & Answers

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9th Grade

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Building Blocks: Nucleotide Structure Quiz

This assessment focuses on the intricate structure of nucleotides, the fundamental units of DNA and RNA. It evaluates your understanding of nucleotide components, including sugars, phosphates, and nitrogenous bases. Mastering...

Questions: 15 | Attempts: 392 | Last updated: Mar 12, 2026

Sample Question 1
What are the three components that make up a single DNA nucleotide?

Amino acid, sugar, and phosphate

Nitrogenous base, deoxyribose sugar, and phosphate group

Nitrogenous base, ribose sugar, and hydroxyl group

Fatty acid, phosphate, and glucose

Sample Question 2
The sugar found in a DNA nucleotide is ribose.

True

False

Sample Question 3
Which of the following nitrogenous bases is found in DNA but NOT in RNA?

Uracil

Adenine

Thymine

Cytosine

9th Grade DNA Structure Quizzes , Questions & Answers

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