DNA Unit 7 Quiz

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 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 c. Adenine & Uracil d. Phosphate group and sugar

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

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

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

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

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

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

a. DNA fingerprinting b. Gene therapy c. Selective breeding d. Cloning 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

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

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

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

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

a. tRNA b. mRNA c. rRNA d. RNAi 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

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

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

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

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

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

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

The End

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