DNA and RNA Structure Flashcards

1
Q

What are Nucleotides made up of?

A

Phosphate group
Pentose sugar
Nitrogenous Base

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2
Q

What are the four bases of DNA?

A

Adenine
Guanine
Thymine
Cytosine

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3
Q

What are the four bases of RNA?

A

Adenine
Uracil
Guanine
Cytosine

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4
Q

What are Purines?

A

Adenine
Guanine

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5
Q

What are pyrimidines?

A

Thymine/Uracil
Cytosine

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6
Q

How many rings to purines have?

A

2

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7
Q

How many rings do pyrimidines have?

A

1

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8
Q

What does Adenine bond to?

A

Thymine/Uracil

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9
Q

What does Thymine/Uracil bond to?

A

Adenine

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10
Q

What does guanine bond to?

A

Cytosine

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11
Q

What does Cytosine bond to?

A

Guanine

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12
Q

What bonds form between bases?

A

Hydrogen bonds

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13
Q

How many bonds between A & T

A

2

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14
Q

How many bonds between G & C?

A

3

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15
Q

If 20% of the bases in a certain segment of DNA were adenine, what would be the percentage of Thymine, Cytosine, and Guanine?

A

Thymine: 20%
Cytosine: 30%
Guanine: 30%

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16
Q

What direction is DNA synthesized?

A

5 to 3 prime