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DNA structure
Question | Answer |
---|---|
nucleotides | building blocks of nucleic acids |
RNA | only 1 strand |
DNA | double strand |
DNA | strands are anti-parallel |
hydrogen | What type of bonds connect 2 strands and can be easily unzipped for replication or transcriptrion |
phosphate group | part of sides of ladder |
Deoxyribose or Ribose | 5-carbon sugar |
Cytosine Guanine Adenine Thymine | Nitrogenous Base: |
Thymine | What does Adenine connect with |
Cytosine | What does Guanine connect with |
Uracil | RNA has ____________, instead of Thymine |
DNA | has deoxyribose, thymine |
RNA | has ribose, uracil |
Transcription of mRNA Replication of DNA before mitosis | Under which two circumstances will DNA "unzip" |
mutation | change in a DNA sequence that affects genetic information |
3 billion | Number of base pairs in the human genome |
50-250 million | Number of base pairs on a chromosome |