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DNA Quiz

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1. True or False: Different codons code for unique amino acids. Some amino acids may not be coded for by more than one codon.




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2. RNA contains ________.




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3. What are the complimentary DNA nucleotide bases?




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4. What molecules are transferred by tRNA?




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5. Ribosomes are made of another kind of RNA called ribosomal RNA (rRNA). What occurs here?




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6. Where is genetic information located?




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7. What are nucleic acids?




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8. What is the most inclusive component of an organism?




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9. What shape does DNA take?




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10. What are the four RNA nucleotides?




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11. False.




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12. It travels through the cytoplasm to structures called ribosomes.




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13. A, T, C, G




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14. Hydrogen bonds




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15. Double-stranded helix




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16. Helicase




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17. The leading strand. Synthesis of the other strand—the lagging strand—occurs in segments.




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18. In eukaryotic organisms, DNA is contained inside the cell nucleus. DNA is tightly coiled around proteins to form structures called chromosomes.




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19. True




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20. DNA replication begins when the enzyme helicase unwinds a segment of DNA and separates the two strands of the double helix, forming a structure called a replication fork.





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