Term
| Frederick Griffith Discovered that... |
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Definition
| Genetic Information could be TRANSFERRED between bacteria. "Transformation" |
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Term
| Oswald Avery repeated experiments made by Griffith to find out... |
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Definition
| To find out what MOLECULE was transforming the bacteria. |
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Term
| Alfred Hershey and Martha Chase worked with viruses (called bacteriophages)and they... |
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Definition
| They RADIOACTIVELY MARKED the DNA of the viruses. |
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Term
| What does marked viruses of infected DNA tell us about DNA |
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Definition
| DNA is the genetic material of the viruses, not the protein coat. |
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Term
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Definition
| Deoxyribo (Sugar) Nucleic Acid |
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Term
| What are the 3 basic parts of DNA |
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Definition
1. 5-Carbon sugar (Deoxyribose)
2. Phosphate Group
3. Nitrogen Base |
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Term
| Erwin Chargraff discovered.... |
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Definition
| That the percentage of ADENINE in DNA is EQUAL to the percentage of THYMINE. Same is true for CYTOSINE and GUANINE |
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Term
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Definition
A=T and C=G
Adenine=Thymine and Cytosine=Guanine |
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Term
| Rosalind Franklin used ______ to study the structure of DNA and found out what? |
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Definition
| She used X-RAYS and discovered that the structure of DNA coiled around one another in a SPIRAL. (Nitrogenous bases are near the center) |
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Term
| Francis Crick and James Watson tired to build a 3D model of DNA but were unsuccessful until... |
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Definition
| They Saw a copy of Rosalind Franklin's picture. |
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Term
| The Coiled DNA is called _______ |
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Definition
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Term
| DNA is tightly coiled up around _______ |
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Definition
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Term
| DNA is located in the ________ |
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Definition
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Term
| During Mitosis the DNA is ________ and the chromatin turns into __________ |
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Definition
| DNA is DUPLICATED. Chromatin becomes Chromosomes. |
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Term
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Definition
| Double Helix with two strands around each other. (The nitrogen bases are facing inward.) |
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Term
| Based on Chargraffs Rule DNA is made up of two.......... |
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Definition
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Term
| DNA replication occurs at ______ |
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Definition
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Term
| _______ unzips the DNA molecule by breaking _________. |
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Definition
| HELICASE unzips the DNA molecule by breaking HYDROGEN BONDS. |
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Term
| ___________ adds nucleotides to the strand, creating a double-stranded DNA molecule that is a _____ of the original. |
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Definition
| DNA POLYMERASE adds nucleotides to the strand, creating a double- stranded DNA molecule that is a COPY of the original. |
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Term
| Replication is........... |
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Definition
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