Campbell Essential Biology (6th Edition) - standalone book
6th Edition
ISBN: 9780133917789
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece, Kelly A. Hogan
Publisher: PEARSON
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Chapter 15, Problem 3SQ
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Prior to the action of DNA ligase, how many hydrogen bonds are holding these two DNA fragments together?
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Chapter 15 Solutions
Campbell Essential Biology (6th Edition) - standalone book
Ch. 15 - Place these events in the history of life on Earth...Ch. 15 - Prob. 2SQCh. 15 - DNA replication relies on the enzyme DNA...Ch. 15 - Prob. 4SQCh. 15 - Some species of cyanobacteria form symbiotic...Ch. 15 - The bacteria that cause tetanus can be killed only...Ch. 15 - How is the process used in sewage treatment...Ch. 15 - Prob. 8SQCh. 15 - Prob. 9SQCh. 15 - Prob. 10SQ
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- When RNA polymerase transcribes DNA, only one of the two DNA strands is used as a template. Take a look and explain how RNA polymerase determines which DNA strand is the template strand.arrow_forwardWhich describes the role of primase during replication? It catalyzes the formation of phosphodiester bonds using NTPs as substrates. It coordinates synthesis of the leading strand and the lagging strand. It functions as a holoenzyme that polymerizes in the 3’→ 5’ direction. It uses an exonuclease activity to remove incorrect nucleotides.arrow_forwardDNA polymerases have a shape resembling a right hand with three functional domains. What are the roles of these domains in DNA replication?arrow_forward
- As a result of DNA replication two DNA molecules come into existence. Why is it not correct to assert that two “new” DNA molecules are created? What is the name given to the process concerning that fact?arrow_forwardWhat is the first step in the process of DNA replication? Which enzyme is responsible for “unzipping” the DNA double helix? Which enzyme is responsible for facilitating the hydrogen bonding between nucleotides in a new DNA molecule? Which enzyme is responsible for creating the covalent bonds that connect the sugar-phosphate backbone of the new DNA molecules?arrow_forwardA scientist used a radioactive isotope of nitrogen to label the nitrogenous bases of the DNA in a bacterial cell. The labeled cells were then allowed to grow and divide for one generation in a medium of non-radioactive nitrogen. Describe how the distribution of radioactive DNA to the daughter cells provides evidence for semiconservative replication of the DNA molecule.arrow_forward
- In the process of DNA replication, there are four important enzymes. Construct a table, provide what the four enzymes are, and explain how they function in DNA replication.arrow_forwardWhich helps prevent errors in DNA replication? A) Complementary base pairing reduce errors B) DNA ligase checks the DNA for errors C) DNA is located in the ribosomes D) Any base can pair with any other basearrow_forwardDNA polymerases have a shape resembling a right hand with three domains. Explain how these three domains participate during DNA synthesis.arrow_forward
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