2.6 Nucleic Acids Flashcards

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1
Q

4 bases in DNA

A

Cytosine, Guanine, Adenine, Thymine

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2
Q

Adenine and Guanine

A

Purines (double ring bases)

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3
Q

Thymine and Cytosine

A

Pyrimidines (single ring bases)

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4
Q

How are nucleotides linked together

A

Linked by single strands via condensation. Covalent bond

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5
Q

Where is phosphate group

A

Attached at 5’C ot the sugar

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6
Q

Phosphate group joins with…

A

hydroxyl group

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7
Q

Where is hydroxyll group

A

Attached at 3’-C of the sugar

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8
Q

What bond connects the 2 nucleotides

A

Phosphodiester

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9
Q

Bases are bonded with

A

Hydrogen binds

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10
Q

Adenine and Thymine have how many hydrogen bonds?

A

2

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11
Q

Guanine and Cytosine have how many hydrogen bonds?

A

3

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12
Q

How must DNA strand be oriented for bases to bind

A

Anti-parallel

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