5.1 DNA Structure Flashcards

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1
Q

dna

A

holds genetic code for a cell

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2
Q

made up of

A

nitrogenous bases, deoxyribose sugars, phosphate groups

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3
Q

thymine with

A

adenine

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4
Q

guanine with

A

cytosine

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5
Q

how is it structured

A

double helix

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6
Q

how do the strands run

A

antiparallel

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7
Q

covalent bonds

A

holds nucleotides & backbones

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8
Q

hydrogen bonds

A

holds two strands together

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9
Q

pyrimidines

A

adenine & guanine

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10
Q

purines

A

thymine & cytosine

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