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DNA

DNA. Unit 7 Quiz. What is the complimentary mRNA sequence to the DNA sequence A-T-T-G-C-A?. a. T-A-A-G-C-A b. U-A-A-C-G-U c. T-A-A-C-G-T d. U-A-A-C-G-T. If DNA is like a ladder, the “hand rails” are made up of:. a. Amino acids & proteins b. Nucleotides & nitrogen bases

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DNA

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  1. DNA Unit 7 Quiz

  2. What is the complimentary mRNA sequence to the DNA sequence A-T-T-G-C-A? a. T-A-A-G-C-A b. U-A-A-C-G-U c. T-A-A-C-G-T d. U-A-A-C-G-T

  3. If DNA is like a ladder, the “hand rails” are made up of: a. Amino acids & proteins b. Nucleotides & nitrogen bases c. Adenine & Uracil d. Phosphate group and sugar

  4. What kind of molecule is this? a. tRNA b. RNAi c. mRNA d. rRNA

  5. Which of the following would have a weak hydrogen bond between them? a. Phosphate group & Deoxyribose b. Nucleotide & Uracil c. Guanine & Adenine d. Adenine & Thymine

  6. What kind of molecule is labeled X in the diagram below? a. tRNA b. RNAi c. mRNA d. rRNA X

  7. What does DNA and RNA have in common? a. Both contain deoxyribose b. Both contain thymine c. Both are single stranded d. Both contain phosphate groups

  8. What is the complimentary DNA sequence to A-T-T-G-C-A? a. T-A-A-C-G-T b. U-A-A-C-G-U c. T-T-A-C-G-A d. U-A-A-C-G-T

  9. What is the purpose of tRNA? a. It translates DNA into mRNA b. It transports amino acids to the ribosome c. It transforms ribosomes d. It delivers codons from DNA

  10. The nucleus is removed from a somatic cell of 1 organism & is placed in an egg cell that has its nucleus removed. This process results in the production of organisms that are genetically alike. This is called: a. DNA fingerprinting b. Gene therapy c. Selective breeding d. Cloning

  11. What is this structure called? a. DNA b. Double helix c. RNA d. Nucleotide

  12. Which could cause mutations? a. Old age b. Exercise c. Radiation d. Bacterial infections

  13. DNA insertion mutations may be caused by the invasion of: a. Viruses b. Fungus c. Protozoans d. Amoebas

  14. What type of mutation is in the diagram below? a. Deletion b. Substitution c. Inversion d. Insertion

  15. This nucleic acid is responsible for the transmission of information from the genetic code in the nucleus to the ribosomes? a. tRNA b. mRNA c. rRNA d. RNAi

  16. What process is occurring in the diagram below? a. Replication b. Transcription c. Deletion d. Translation

  17. This contains the blueprint for making proteins: a. tRNA b. DNA c. rRNA d. ATP

  18. These organelles “read” mRNA instructions: a. Ribosomes b. Mitochondria c. Golgi Body d. Lysosomes

  19. Which of the following sequence of processes correctly reflects how proteins are made? a. Protein synthesis, transcription, translation b. Protein synthesis, translation, transcription c. Transcription, translation, protein synthesis d. Translation, transcription, protein synthesis

  20. What is a possible use of DNA fingerprinting? a. Paternity testing b. Gene therapy c. Transgenic species d. Cloning

  21. Translate the following code into an polypeptide chain:AUG GGG UAA a. Methionine, Glycine, Stop b. Valine, Alanine, Serine c. Methionine, Alanine, Stop d. Alanine, Valine, Serine

  22. The End

  23. Answer Key 1. B 11. C 2. D 12. A 3. C 13. D 4. D 14. B 5. A 15. D 6. D 16. B 7. A 17. A 8. B 18. C 9. D 19. A 10. D 20. A

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