Answered: What is DNA replication? 2. What are…

What is DNA replication? 2. What are the principles of DNA replication?

1st Edition

ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Chapter3: The Cellular Level Of Organization

Section: Chapter Questions

Problem 3ILQ: Watch this video (http://openstaxcollege.org/l/DNArep) to learn about DNA replication. DNA...

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Concept explainers

Viral Replication

The virus is acellular and considered non-living outside the host cell. The replication of the virus occurs only inside the living cells. Only a few genes are present in the smallest virus, whereas many genes are present in the largest virus. These genes encode specific viral proteins.

Question

1.What is DNA replication? 2. What are the principles of DNA replication?

Definition Definition Mechanism by which deoxyribonucleic acid (DNA) is capable of producing an exact copy of itself. DNA molecules utilize a semiconservative method for replication. DNA replication is the most essential part of biological inheritance and is crucial for cell division during growth and repair of damaged tissues.

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1. Where is protein produced in a cell? 2. What scientists discovered the structure of DNA? 3. What is the structure of DNA? 4. What makes up a nucleotide? 5. What are the 4 Nitrogenous bases found in DNA? 6. What type of bond is between the base pairs in DNA? 7. After replication, how many strands are old and how many are new? 8. What enzyme unzips or separates the original DNA strands?
18. What are the steps to DNA replication?
1. What are chromosomes and where are they located? 2. How many chromosome do humans have? How are chromosomes inherited? 3. What are the components of a nucleotide? Name the four types of nucleotides. 4. What type of bonds holds the two DNA strands together? 5. What is complementary base pairing? 6. How does the DNA between individuals differ? 7. Define DNA replication 8. What is the function of the enzyme helicase in DNA replication? (unwinds and unzips DNA) 9. What is the function of the enzyme DNA polymerase in DNA replication? 10. DNA replication is semiconservative. Explain what this means. 11. Which method do scientist utilize to make extra copies (amplification) of DNA? 12. Describe the PCR technique. Why do scientist add primers, DNA polymerase and nucleotides during PCR method? Explain the purpose of each.
1. What will happen if there is a mistake in DNA replication? 2. What will happen if there is a mistake in translation or protein synthesis?
4. How is replication different from transcription in terms of product? 5. What do you call each triplet code made up of three linearly arranged nucleotides in the mRNA? 6. What is the complement of the mRNA triplet code in the tRNA? 7. In what way is tRNA different from mRNA? 8. In what ways are RNA and DNA similar? 9, In what ways are they different?
6. What type of bond is between the base pairs in DNA? 7. After replication, how many strands are old and how many are new? 8. What enzyme unzips or separates the original DNA strands?
1. What is the function of DNA? 2. What two membranes protect the fragile DNA molecules from damage?
2. The organization of DNA requires that replication be performed by a large “machine of proteins." What are the main proteins/enzymes associated with DNA replication and what is the function of EACH?
1. If one DNA single strand has the sequence 5’-AATGCAA-3’, what is the sequence of its complementary strand? 2. When DNA replicates, how is it able to “unwind” its double helix? 3. What are the types and major functions for each type of RNA?
1. Explain how is DNA replicated and repaired? 2. Why is DNA replication important for repair?
1. Define transcription and translation. Which process occurs first to make protein from DNA? 2. In what direction does a polymerase move when synthesizing a strand of mRNA?
7. What enzyme synthesizes small primers for DNA polymerase to bind to so it can initiate DNA replication. What are these primers made of? To answer the question please: I) name the proteins that are required for DNA replication; 2) draw a scheme of DNA replication; 3) design a primer for this DNA fragment: 5'-AATTGGCA-3,