Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 4, Problem 16PIAT
PROCESS OF SCIENCE Now that you have learned a little more of the history behind the elucidation of the secondary structure of DNA, what does it tell you about the role of the scientific community in advancing science? Were Watson and Crick solely responsible?
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Chapter 4 Solutions
Biological Science (6th Edition)
Ch. 4 - What are the four nitrogenous bases found in RNA?...Ch. 4 - 2. What determines the primary structure of a DNA...Ch. 4 - 3. Which of the following describes the synthesis...Ch. 4 - Prob. 4TYKCh. 4 - Prob. 5TYUCh. 4 - Prob. 6TYUCh. 4 - What would be the sequence of the strand of DNA...Ch. 4 - 8. According to the RNA world model, a ribozyme...Ch. 4 - Make a concept map (see BioSkills 12 ) that...Ch. 4 - Prob. 10TYPSS
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- DNA: The Secret of Life What are the Chargaff rules? What is the relationship between Chargaff and Watson and Crick.arrow_forwardMatch the researchers (1–6) with the discoveries listed. Discovered regularity in the ratios of different bases in DNA. Worked out the helical structure of DNA by building Identified DNA as the genetic material in bacteriophages. Determined that DNA is responsible for transformation in bacteria. Demonstrated that heat-killed material from bacteria can genetically transform live bacteria. Took X-ray diffraction pictures used in constructing the structure of DNA. 1. Watson and Crick 2. Hershey and Chase 3. Avery, MacLeod, and McCarty 4. Griffith 5. Franklin and Wilkins 6. Chargaffarrow_forwardDNA: The Secret of Life video What did some think about Watson and Crick that they would not be productive?arrow_forward
- DNA: The Secret of Life There were three main groups working to discover the structure of DNA. Who were the three different teams and what techniques were they using?arrow_forwardNeed help if we can construct functional RNA using DNA....what can we expect?(relate to DNA nanotechnology)arrow_forwardDNA can be unwound from the double stranded double helix into single strands, amplified, separated on gels by size, stained with dyes. It can be mutated by a variety of means. It can be sequenced. Describe one or more of the ways that scientists are able to manipulate DNA and relate this to the structure of the DNA.arrow_forward
- Watson and Crick used scientific reasoning, their knowledge of biochemistry, and the research of other scientists to make one of the most important scientific claims of their time: DNA is a double helix with strands running in opposite directions. Between these strands, A pairs with T, and C pairs with G.arrow_forwardWorking on the Amazon River, a biologist isolated DNA from two unknown organisms, P and Q. He discovered that the adenine content of P was 15% and the cytosine content of Q was 42%. This means that: a. the amount of guanine in P is 15%. b. the amount of guanine and cytosine combined in P is 70%. c. the amount of adenine in Q is 42%. d. the amount of thymine in Q is 21%. e. it takes more energy to unwind the DNA of P than theDNA of Q.arrow_forwardDNA contains many hydrogen bonds. Are hydrogen bonds stronger or weaker than covalent bonds? What are the consequences of this difference in strength?arrow_forward
- The DNA polymerase cannot start making a new DNA polymer out of nothing, it needs preexisting nucleic acid to hook the new DNA onto. What is this preexisting nucleic acid called, what enzyme makes it, and what nucleic acid is the preexisting nucleic acid made of?arrow_forwardDNA: The Secret of Life What did some think Peter Pauling was? Why?arrow_forwardWhile trying to determine the structure of DNA, Watson and Crick at one point proposed that like bases are bonded to like bases. For example, thymine would be bonded to thymine, cytosine would be bonded to cytosine, and so on. Explain why this proposed model would not fit based on what was discovered to be true about DNA.arrow_forward
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