DNA Structure & Replication/TRANSCRIPTION/TRANSLATION ...

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7. Which scientist is responsible for doing the laboratory work (X-ray crystallography) that led to the discovery of the 3-D structure of DNA? a. Erwin Chargoff b. James Watson c. Rosalind Franklin d. Francis Crick 8. In a DNA double helix, a region along one strand of DNA has the following sequence: 5’- GCCTAATC-3’ What is the complementary sequence? a. 3’-GCCTAATC-5’ b. 5’-CGGATTAG-3’ c. 5’-CGGAUUAG-3’ d. 3’-CGGATTAG-5’ 9. Look at the following DNA strands. Which one is going to be harder to pull apart (separate the two strands)? Note that only one strand of the doubled stranded DNA is shown. You should be able to extrapolate what the other strand would be. a. 5’-TTCC-3’ b. 5’-AATC-3’ c. 5’-GGCG-3’ d. 5’-AGCG-3’ 10. Look at the following sequence in a nucleic acid: 5’-GCUA-3’ What kind of nucleic acid is this? a. DNA b. RNA c. Protein d. Unable to tell from the information given 11. If a DNA molecule contains 40% adenine, what are the percentages of each of the other nitrogenous bases? a. 20% cytosine, 20% adenine, 20% guanine b. 20%thymine, 40% guanine, 40% cytosine c. 40% thymine, 10% guanine, 10% cytosine d. 40% uracil, 10% guanine, 10% cytosine
12. Transcription goes from a. RNA to DNA b. DNA to DNA c. Protein to RNA d. RNA to protein e. DNA to RNA 13. Translation goes from a. RNA to DNA b. DNA to DNA c. Protein to RNA d. RNA to protein e. DNA to RNA 14. For the following DNA template strand, what is the mRNA that would be produced? 5’ – CTA TTT CAA CGC TCG GCG TAG CAT- 3’ a. 3’ – GAT AAA GTT GCG AGC CGC ATC GTA – 5’ b. 3’ - CTA TTT CAA CGC TCG GCG TAG CAT – 5’ c. 3’ – GAU AAA GUU GCG AGC CGC AUC GUA – 5’ d. 5’ - GAU AAA GUU GCG AGC CGC AUC GUA – 3’ 15. For the following DNA template strand, what is the polypeptide that would be produced? 5’ – CTA TTT CAA CGC TCG GCG TAG CAT- 3’ a. Met – Leu – Arg – Arg – Ala – Leu – Lys b. Asp – Lys – Val – Ala – Thr – Arg – Ile – Val c. Met – Lys – Arg – Gln – Cys – Leu – His d. Met – Pro – Trp – Arg – Arg – Phe - Ala 16. What allows us to put DNA from one species, like a jellyfish, into another species, like a pig? a. Pigs and jellyfish have the same genes b. Pigs and jellyfish make the same proteins c. The genetic code is universal. d. All DNA is made up of the same components and each codon stands for the same amino acid regardless of the species. e. Both C and D
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DNA Structure & Replication/TRANSCRIPTION/TRANSLATION ...

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