B2.1.4 - Base Pairing

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Biology

12th

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12 Terms

1
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What type of bonds attach the adjacent nucleotides in different strands together in DNA?
hydrogen
2
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What do hydrogen bonds hold together in DNA?
adjacent nucleotides
3
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What base does adenine pair with in DNA?
thymine
4
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What base does thymine pair with in DNA?
adenine
5
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What base does guanine pair with in DNA?
cytosine
6
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What base does cytosine pair with in DNA?
guanine
7
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Which base in DNA is complementary to adenine?
thymine
8
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Which base in DNA is complementary to thymine?
adenine
9
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Which base in DNA is complementary to guanine?
cytosine
10
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Which base in DNA is complementary to cytosine?
guanine
11
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What are the 'uprights' in the double helix of DNA?
deoxyribose-phosphate molecules
12
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What are the 'rungs' in the double helix of DNA?
pairs of complementary bases