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Biology Ch. 10
| Question | Answer |
|---|---|
| 1.) DNA is made up of___ | nucleotides |
| 2.)nucleotides are made up of | sugar (deoxyribose), phosphate, base |
| 3.)Bases | Adenine, guanine, cytosine, thymine |
| 4.)Purines | Adenine, guanine |
| 5.)Pyrimidines | Cytosine, thymine |
| 6.)Watson and Crick suggested | Double Helix |
| 7.) They won the | 1962 Nobel Prize in Medicine |
| 8.)Letters used to signify bases | A,G,C,T |
| 9) Complementary bases | A-T, C-G |
| 10.) Copying DNA | replication |
| 11.) Nucleotide chains are broken down by | Helicases |
| 12.) Helicases breakdown | Hydrogen bonds in bases |
| 13.) DNA polymerase | Bind to separated DNA chains |
| 14.) DNA polymerase create | 2 new copies of DNA |
| 15.) Proofreading enzymes bring error rate | down to 1 per 1 Billion nucleotides |
| 16.)RNA consists of | sugar (ribose), phosphate, base |
| 17.) RNA does not have this base | Thymine |
| 18.) RNA has this differentiating base | Uracil |
| 19.)RNA is single | stranded |
| 20.)Form of Messenger RNA (mRNA) | Uncoiled chain |
| 21.) Form of Transfer RNA (tRNA) | Hairpin shape |
| 22.) Form of Ribosomal RNA (rRNA) | globular form |
| 23.)Transcription is | when genetic information is copied from DNA to RNA |
| 24.) Products of transcription | Different forms of RNA including mRNA, tRNA, rRNA |
| 25.) mRNA moves to the cytoplasm to | direct protein synthesis |
| 26.)Production of proteins | protein synthesis |
| 27.)mRNA carries | DNA in the nucleus to the cytoplasm |
| 28.) There are about 45 varieties of | tRNA |
| 29.)rRNA is the | Most abundant form |
| 30.)tRNA binds to | specific amino acids |
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