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Transcript
Biology DNA Worksheet Name ______________________________ Period ___________ Use your textbook to complete the following outline. I. A. II. A. DNA Discovery Scientists who contributed to the idea that DNA carries the genetic code. Describe each of the following scientist experiment and what conclusion their experiment lead to in the understanding of the role of DNA. 1. Griffith – 2. Avery, McCarty and MacLeod – 3. Hershey and Chase – DNA Structure Scientists who contributed to an understanding of DNA structure and function. Describe how each scientist contributed to the discovery of the structure of DNA. 1. Franklin – 2. Watson and Crick – 3. Chargaff – DNA Worksheet 02/02/16 B. Function of DNA is C. Parts of a DNA nucleotide are D. Describe the shape of a DNA molecule. III. DNA Replication A. Describe the replication of a DNA molecule. B. Explain why DNA replication is necessary for the continuation of life. DNA Worksheet 02/02/16 2 Biology 137 Chapter 7 “History” Worksheet Name ______________________________ Use the following key to answer questions #1-11. Match the statement with the scientist’s experiment to which it corresponds. (1 point each) Answers may be used more than once. Not all answers have to be used. 1. ______ Determined that adenine bonds to thymine and cytosine bonds to guanine 2. ______ Built 3-D models of the DNA molecule 3. ______ Took x-rays of DNA strands 4. ______ Proved that the cause of pneumonia was not a chemical poison released by bacteria 5. ______ Concluded that DNA carries genetic information 6. ______ First to demonstrate the process of transformation 7. ______ First to discover the identity of the “transforming” factor 8. ______ Tried to determine which parts of a virus infect the inside of bacteria 9. ______ Used others x-ray photos to determine the structure of DNA 10. ______ Observed that the amount of adenine equals the amount of thymine, and that the amount of guanine equals the amount of cytosine in any sample of DNA 11. ______ Determined that the protein core of a virus is not what enters and infects bacteria a. Griffith b. Avery c. Hershey and Chase d. Chargaff e. Watson and Crick f. Franklin and Wilkins 12. Several scientists received the Nobel Prize for their contributions to the discovery of DNA structure. One who worked in this area did not receive the Nobel Prize. Who were they, and why weren’t they awarded the prize along with their colleagues? DNA Worksheet 02/02/16 3 The Hershey-Chase Blender Experiment DNA Worksheet 02/02/16 4
