IB Biology HL D1.1.6 Hl Dna Polymerase Directionality Topic Practice

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Study D1.1.6 (HL)—DNA polymerase directionality conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

Question 1

[Maximum number: 1]

How does DNA replicate?

A

The deoxyribose of a free nucleotide is linked to the phosphate of the last nucleotide in the chain.

B

The phosphate of a free nucleotide is linked to the deoxyribose of the last nucleotide in the chain.

C

Nucleotides are linked in a 3′3^{\prime} to 5′5^{\prime} direction and the new strands are anti-parallel to the template strands.

D

Nucleotides are linked in a 5′5^{\prime} to 3′3^{\prime} direction and the new strands are parallel to the template strands.

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