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Bio - DNA
Bio - DNA & Protein Synthesis
| Question | Answer |
|---|---|
| DNA and RNA are made of 2 strands that twist into this shape | helix |
| Rosalind Franklin’s xray image of DNA was used by Watson & Crick to determine the physical ____________ of DNA | structure |
| DNA is composed of units called ____________________ | nucleotides |
| Each nucleotide of DNA or RNA has 3 parts: a 5 carbon sugar , a phosphate group, and a nitrogenous _______ | base |
| The 4 nitrogenous bases found in DNA are adenine, thymine, guanine and ______________. | cytosine |
| DNA is double-stranded & contains the sugar _______________ | deoxyribose |
| During DNA replication this enzyme attaches the complimentary nucleotides to the original strand: DNA __________ | polymerase |
| The primary purpose of DNA is to code for ______________ | proteins |
| DNA replication results in 2 DNA strands, each with one new strand and one ___________strand | original |
| The enzyme that unwinds DNA and breaks the hydrogen bonds between the bases is called: DNA ________ | helicase |
| Because half of the new DNA molecules created during DNA replication is actually made of the original DNA, DNA replication is considered ___________ | semiconservative |