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Transcript
Chapter 11 Concept Check Questions 11.1 1. How did Griffith’s experiments indicate the presence of a “transforming factor” in bacteria? 2. What did Avery’s experiments add to the knowledge gained from Griffith’s experiments? 3. Desribe the experimental design that allowed Hershey and Chase to distinguish between the two options for genetic material. 11.2 1.What are the three parts of a nucleotide? Which parts make up the backbone of a DNA strand? 2. List the two base pairs found in DNA. 3. What is the complementary strand for the DNA strand AGTCGG? 11.3 1. Describe how DNA replicates by using a template. 2. List the steps involved in DNA replication 3. Under what circumstance is DNA replicated? 11.4 1. How did Beadle and Tatum’s research result in the “one gene- one polypeptide” hypothesis? 2. Which molecule completes the flow of information from DNA to protein? 3. Which amino acid is coded for by the RNA sequence CUA? 4. List two ways RNA is different from DNA. 11.5 1. What kind of nucleic acid is made during transcription? 2. How do introns and exons relate to RNA splicing? 3. List the three types of RNA involved in transcription and translation, and describe the role of each. 4. Briefly describe the steps pf protein synthesis. 11.6 1. Explain why a base substitution is often less harmful than a base deletion or insertion. 2. Describe how a mutation could be helpful rather than harmful. 3. Give an example of a mutagen.
