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bio > chapter 20 molecular genetics > Flashcards

chapter 20 molecular genetics Flashcards

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Biology 101 flashcards
1
Q

what is dna

A
  1. DNA made up of genes that store info to form polypeptides
  2. 2 polynucleotides chains twist around each other = form double helix DNA molecule
  3. each DNA molecule wrapped around proteins to form 1 chromatin thread
  4. chromatin threads coil into chromosomes during cell division
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2
Q

how are genes and dna related

A
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3
Q

how are dna and chromosomes related

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4
Q

how are chromosomes and genes related

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5
Q

how do the basic units make up dna

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6
Q

what are genes

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7
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