BIOCHEMISTRY > Nucleic Acids > Flashcards

Nucleic Acids Flashcards

(19 cards)

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1
Q
  • Polymers of nucleotides
  • Contain either deoxyribose or ribose
A

Nucleic Acids

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2
Q

Bases & Nucleosides:

Nitrogen-containing bases with a double-ring structure (one six-membered and one five-membered ring). Found in nucleic acids are adenine (A) and guanine (G).

A

Purines

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3
Q

Bases & Nucleosides:

Nitrogen-containing bases with a single-ring structure (one six-membered ring). Found in nucleic acids are cytosine (C), thymine (T), and uracil (U).

A

Pyrimidines

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4
Q

*Made up of two parts: purine base and pyrimidine base to form a sugar molecule

*does not have a phosphate group

A

Nucleosides

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5
Q

*five-carbon (pentose) sugar found in RNA (ribonucleic acid)

*has a hydroxyl group (-OH) on the 2’ carbon atom

A

Ribose

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6
Q

a five-carbon sugar, but it’s found in DNA.

only a hydrogen atom (-H) at 2’ carbon atom

A

Deoxyribose

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7
Q

•A five-carbon sugar found in RNA

•a pentose sugar with a hydroxyl group (-OH) attached to the 2′ carbon atom.

A

Ribose

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8
Q

•A nucleoside found in DNA composed of deoxyribose and adenine.

• formed when adenine attaches to a deoxyribose sugar (no -OH group at the 2′ carbon).

A

Deoxyadenosine

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9
Q

•A nucleoside found in DNA composed of deoxyribose and cytosine.

•formed when cytosine attaches to a deoxyribose sugar (no -OH group at the 2′ carbon).

A

Deoxycytidine

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10
Q

Given the composition and abbreviation, give the name of the nucleoside:

Composition: adenine-ribose

Abbreviation: A

A

Adenosine

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11
Q

Given the composition and abbreviation, give the name of the nucleoside:

Composition: adenosine-deoxyribose

Abbreviation: dA

A

Deoxyadenosine

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12
Q

Given the composition and abbreviation, give the name of the nucleoside:

Composition: Guanine-ribose

Abbreviation: G

A

Guanosine

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13
Q

Given the composition and abbreviation, give the name of the nucleoside:

Composition: Guanine-deoxyribose

Abbreviation: dG

A

Deoxyguanosine

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14
Q

Given the composition and abbreviation, give the name of the nucleoside:

Composition: Cytosine-ribose

Abbreviation: C

A

Cytidine

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15
Q

Given the composition and abbreviation, give the name of the nucleoside:

Composition: cytosine-deoxyribose

Abbreviation: dC

A

Deoxycytidine

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16
Q

Given the composition and abbreviation, give the name of the nucleoside:

Composition: thymine-ribose

Abbreviation: T

17
Q

Given the composition and abbreviation, give the name of the nucleoside:

Composition: Thymine-deoxyribose

Abbreviation: dT

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A

Deoxythymidine

18
Q

Given the composition and abbreviation, give the name of the nucleoside:

Composition: Uracil-ribose

Abbreviation: u

19
Q

Given the composition and abbreviation, give the name of the nucleoside:

Composition: Uracil-deoxyribose

Abbreviation: dU

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