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DNA Review Questions - Chapter 17 1. There are four substances present in the nucleus that researchers thought were possibly the genetic material. Which substance did researchers show was the genetic material? a. Protein b. Lipids c. Sugars d. Nucleic acid 2.Where does RNA translation take place? a. Nucleus b. mitochondria c. Cytoplasm d. cell wall 3. The central dogma for genes is: a. RNA → protein → DNA b. Protein → DNA → RNA c. DNA → RNA → Protein d. RNA → DNA → protein 4. What is the process of copying DNA into RNA? a. Translation b. Mitosis c. Meiosis d. Transcription 5. Which statement below is a “true” difference between RNA and DNA? a. Only DNA contains a sugar component. b. Only RNA contains thymine. c. Only DNA contains phosphate groups. d. Only DNA is double-stranded. 6 Name one of the three kinds of RNA. a. Transcribe b. Transfer c. Translate d. Translution 7. DNA is copied into RNA using a process called ____________, and RNA is made into protein using a process called __________. a. Transformation; transcription b. Transcription; translation c. Translation; transcription d. Translation; transfer motion 8. DNA is copied into RNA by what process? a. Transformation b. Respiration c. Transcription d. Rejection 9. What is a component of DNA? a. Phosphate group b. Deoxyribose c. Bases d. All of the above 10.What type of RNA makes protein? a. Ribosomal b. Transfer c. Messenger d. transmission 11. Which is not a DNA characteristic? a. Double helix b. 10 base pairs per turn c. Single stranded 12. Which base does RNA not have? a. Adenine b. Cytosine c. Guanine d. Thymine d. Hydrogen bonds between bases 13. RNA is a ___________? a. Multi-strand molecule b. Single strand molecule c. Type of sexual organ d. Type of blood 14. What part of a gene controls transcription? a. promoter b. Prohibit transcription c. DNA d. Facilitate transcription 15.What is NOT a kind of RNA? a. Messenger RNA b. Transparent RNA c. Ribosomal RNA d. Transfer RNA 16.What is the job of the tRNA? a. It brings an amino acid to the ribosome b. It encodes the recipe c. Prohibits the transcription d. It is part of the ribosome. 17.What is NOT one of the 3 kinds of RNA? a. mRNA b.rRNA c. tRNA d. aRNA 18.What type of RNA encodes the recipe? a. tRNA b.mRNA c. rRNA d. none of the above 19. Which step occurs first when building a protein from a gene's recipe? a. ribosome falls off the RNA at a stop codon b. RNA polymerase opens the DNA molecule c. ribosomes bind amino acids together d. tRNA brings an amino acid to the ribosome 20.Translation occurs where in the cell? a. nucleus b. ribocentrioles c. cytoplasm d. cell membrane 21.What base does Uracil take place of in RNA? a. adenine b. guanine c. cytosine d. thymine 22. Which type of point mutation is usually harmless to an organism? a. mis-sense b. non-sense c. silent d. structural 23. Which type of mutation involves the formation of a pre-mature stop code being established? a. mis-sense b. non-sense c. silent d. structural 24. Which type of mutation causes the amino acid sequence to change? a. mis-sense b. non-sense c. silent d. structural 25. Which type of mutation involves exchange of a piece of a chromosome with a nonhomologous chromosome? a. inversion b. addition c. translocation d. deletion