what is DNA? Flashcards by lauren hughes | Brainscape

Q

what are the subunits of DNA

A

nucleotides

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Q

what three parts do nucleotides have?

A

deoxyribose sugar, phosphate group, nitrogenous base

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Q

what are the four nitrogenous bases?

A

adenine, thymine, cytosine, guanine

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Q

what are the two chains held together by?

A

hydrogen bonds

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Q

what shape does DNA make?

A

double helix

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Q

what makes up the backbone of the chain?

A

phosphate and sugar

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Q

what does adenine always match with?

A

thymine

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Q

what does guanine always match with?

A

cytosine

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Q

what does DNA stand for?

A

deoxyribose nucleic acid

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