Exploring DNA and RNA Structures

What are the four nucleotide bases found in DNA?

• Adenine, Thymine, Cytosine, Guanine

• Adenine, Uracil, Cytosine, Guanine

• Adenine, Thymine, Cytosine, Uracil

• Adenine, Uracil, Cytosine, Thymine

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DOK Level 1: Recall

Which of the following correctly describes the structure of DNA?

• Single-stranded helix

• Double-stranded helix

• Triple-stranded helix

• Quadruple-stranded helix

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DOK Level 1: Recall

In DNA, which base pairs with Adenine?

• Cytosine

• Guanine

• Thymine

• Uracil

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DOK Level 1: Recall

What is the complementary RNA base pairing for Adenine?

• Thymine

• Cytosine

• Guanine

• Uracil

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DOK Level 1: Recall

Which of the following statements is true about RNA?

• RNA is double-stranded.

• RNA contains the sugar deoxyribose.

• RNA contains the base Thymine.

• RNA is single-stranded.

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DOK Level 1: Recall

Explain the role of complementary base pairing in DNA replication.

• It ensures that each new DNA molecule is an exact copy of the original.

• It allows DNA to form a double helix structure.

• It helps in the formation of RNA from DNA.

• It prevents mutations during DNA replication.

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DOK Level 2: Skill/Concept

Describe the difference between DNA and RNA in terms of their structure.

• DNA is single-stranded, while RNA is double-stranded.

• DNA contains the sugar ribose, while RNA contains deoxyribose.

• DNA contains Thymine, while RNA contains Uracil.

• DNA is found in the cytoplasm, while RNA is found in the nucleus.

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DOK Level 2: Skill/Concept

How does the structure of RNA differ from that of DNA in terms of sugar molecules?

• RNA contains deoxyribose, while DNA contains ribose.

• RNA contains ribose, while DNA contains deoxyribose.

• Both RNA and DNA contain ribose.

• Both RNA and DNA contain deoxyribose.

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DOK Level 2: Skill/Concept

Predict the complementary DNA strand for the following sequence: 5'-ATCGGCTA-3'.

• 5'-TAGCCGAT-3'

• 3'-TAGCCGAT-5'

• 5'-UAGCCGAU-3'

• 3'-UAGCCGAU-5'

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DOK Level 3: Strategic Thinking

Given the DNA sequence 5'-GATTACA-3', what would be the corresponding mRNA sequence?

• 5'-CUAAUGU-3'

• 3'-CUAAUGU-5'

• 5'-GAUUACA-3'

• 3'-GAUUACA-5'

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DOK Level 3: Strategic Thinking