Preview Science Concepts Using Science Graphics

1. Preview • Science Concepts • Using Science Graphics

2. 1. Which mutation can happen to a chromosome? A. point B. silent C. deletion D. frameshift

3. 1. Which mutation can happen to a chromosome? A. point B. silent C. deletion D. frameshift

4. 2. Somatic cell cancer is the result of damage to F. genes that are found only in skin cells. G. genes that are found only in germ cells. H. genes that control head-to-tail orientation. J. genes that control the ability of cells to divide.

5. 2. Somatic cell cancer is the result of damage to F. genes that are found only in skin cells. G. genes that are found only in germ cells. H. genes that control head-to-tail orientation. J. genes that control the ability of cells to divide.

6. 3. In the bacterium, Escherichia coli, the lac operon cause the bacterium to produce certain enzymes only in the presence of lactose. The operon system is an example of A. gene mutation. B. gene regulation. C. gene duplication. D. gene differentiation.

7. 3. In the bacterium, Escherichia coli, the lac operon cause the bacterium to produce certain enzymes only in the presence of lactose. The operon system is an example of A. gene mutation. B. gene regulation. C. gene duplication. D. gene differentiation.

8. This diagram is a model of processes in a cell. Use the diagram to answer the following question(s).4. If step 1 is transcription and step 3 is translation, what is happening in step 2? F. mutation of DNA G. copying of DNA H. splicing of RNA J. copying of RNA

9. This diagram is a model of processes in a cell. Use the diagram to answer the following question(s).4. If step 1 is transcription and step 3 is translation, what is happening in step 2? F. mutation of DNA G. copying of DNA H. splicing of RNA J. copying of RNA

10. This diagram is a model of processes in a cell. Use the diagram to answer the following question(s).5. The cell shown must belong to a(n) A. bacterium. B. eukaryote. C. gamete. D. prokaryote.

11. This diagram is a model of processes in a cell. Use the diagram to answer the following question(s).5. The cell shown must belong to a(n) A. bacterium. B. eukaryote. C. gamete. D. prokaryote.

12. This table shows the genetic code, or codons of RNA that are translated into specific amino acids. Use the table to answer the following question(s).6. Which of the following pairs of codons demonstrates the redundancy of the genetic code? F. AAC and AAA G. AUA and AUG H. ACA and ACG J. UDA and UGG

13. This table shows the genetic code, or codons of RNA that are translated into specific amino acids. Use the table to answer the following question(s).6. Which of the following pairs of codons demonstrates the redundancy of the genetic code? F. AAC and AAA G. AUA and AUG H. ACA and ACG J. UDA and UGG

14. This table shows the genetic code, or codons of RNA that are translated into specific amino acids. Use the table to answer the following question(s).7. Suppose that the third base in the codon CUCis accidentally changed from C to G so that thecodon is now CUG. What kind of mutation hasoccurred? A. a silent mutation B. a missense mutation C. a nonsense mutation D. a frameshift mutation

15. This table shows the genetic code, or codons of RNA that are translated into specific amino acids. Use the table to answer the following question(s).7. Suppose that the third base in the codon CUCis accidentally changed from C to G so that thecodon is now CUG. What kind of mutation hasoccurred? A. a silent mutation B. a missense mutation C. a nonsense mutation D. a frameshift mutation