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IB > Biology > Flashcards

Biology Flashcards

0
Q

What are pyramidines?

A

Smaller nitrogenous bases

T and C

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1
Q

What are purines?

A

Larger nitrogenous base pairs

A and G

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2
Q

What are bonds between nucleotides called?

A

Phosphodiester bonds

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3
Q

How is the DNA double helix held together?

A

By hydrogen bonds between complementary base pairs
A to T
G to C

Purine and pyramidine pairing keeps width uniform

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IB (8 decks)

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