DNA Molecule & Structure

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3.6 - I can identify all components of a DNA molecule and model its structure.

Biology

Cells

Chemistry of Life

DNA Structure

Last updated 2:12 AM on 5/5/26
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5 Terms

1
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The three components of a nucleotide are:

phosphate group, Deoxyribose sugar, and a nitrogenous base

<p>phosphate group, Deoxyribose sugar, and a nitrogenous base</p>
2
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The two corresponding nitrogenous bases are:

Adenine + Thymine and Cytosine + Guanine

3
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The structure of a DNA Molecule is:

double-helix

<p>double-helix</p>
4
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What is the direction that DNA runs in, and what is it called?

DNA runs in an antiparallel, structure from 5’ to 3’ and from 3’ to 5’.

5
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The two bonds that make up DNA are:

Covalent (strong, outer) bonds and hydrogen (weak, inner) bonds.