Structure of DNA
Presentation
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Biology, Science
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9th - 10th Grade
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Practice Problem
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Medium
Standards-aligned
Used 24+ times
FREE Resource
6 Slides • 3 Questions
1
Structure of DNA
What Does DNA actually look like?
2
Multiple Select
3
DNA parts
A Phosphate
A Sugar (Deoxyribose for DNA, ribose for RNA)
A Nitrogen Base (Adenine, Cytosine, Guanine, Thymine (DNA only), Uracil (RNA) only
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DNA Parts
The sugar (deoxyribose) and the phosphate make the backbone or the outside of the ladder
The nitrogen bases (A, T, C, and G) make up the rungs of the ladder
5
Getting DNA To Stick Together
The A's, C's, G's, and T's connect to each other to form the "rungs" of the DNA ladder.
They only connect in very specific ways
A's only connect to T's (or U's in RNA) and vice versa.
C's only connect to G's and vice versa
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Base Pairing
When the nitrogen bases (A's, T's, C's, and G's) connect together, we call that base pairing. Base pairing creates a complimentary strand of DNA!
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Fill in the Blanks
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Poll
Which parts of the DNA store information?
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Genes
The order of the A's, C's, G's, and T's determine what your genes are!
Structure of DNA
What Does DNA actually look like?
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