DNA General Flashcards

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1
Q

What is DNA

A

material that comes from hereditary information

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2
Q

What are nucleotides made of?

A
  • phosphate group
  • deoxyribose sugar (5C)
  • nitrogen base (A-T, C-G)
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3
Q

What holds the sugar-phosphate backbone together?

A

Phosphodiester bonds

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4
Q

What holds sugar and the bases together?

A

Glyosidic Bonds

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5
Q

What are the key characteristics of DNA?

A
  1. double helix structure
  2. anti - parallel
  3. complimentary
  4. new dna from 5’ to 3’
  5. A fork is half a bubble
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6
Q

Which functional group is found at the 5’ end? 3’?

A

5’ - phosphate
3’ - hydroxyl

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7
Q

Which base is unique to DNA?

A

Thymine

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8
Q

What are the differences between DNA and RNA?

A

RNA: single bonded, small, uracil, ribose backbone, does specific task
DNA: double standed, big, thymine, deoxyribose backbone

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9
Q

Purines

A

Adenines, Guanines - double ring

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10
Q

Pyrimidines

A

Cytosine, Thymine - single ring

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