click below
click below
Normal Size Small Size show me how
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 |