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Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
12th Edition
ISBN: 9780135755785
Author: Gerald Audesirk, Teresa Audesirk
Publisher: PEARSON+
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Chapter 12, Problem 1RQ
Summary Introduction
To describe:
The experimental evidence that DNA is the hereditary material of bacteriophage.
Introduction:
Biologists Alfred Hershey and Martha Chase introduced bacteriophage into a bacterial cell to determine that which is the genetic part responsible for the information flow, whether it is a DNA or protein. Bacteriophage has both DNA and protein molecules which infect bacteria by entering into its body.
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Briefly describe the structure of bacteriophage.
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Chapter 12 Solutions
Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
Ch. 12.1 - Which do you think would be more difficult to...Ch. 12.1 - If viral genetic material had the same structure...Ch. 12.1 - Prob. 1CYLCh. 12.1 - Prob. 2CYLCh. 12.2 - Muscles, Mutations, and Myostatin The sequence of...Ch. 12.2 - Prob. 1CYLCh. 12.3 - describe the process of DNA replication, including...Ch. 12.3 - explain why DNA replication is called...Ch. 12.3 - Muscles, Mutations, and Myostatin "Double-muscled"...Ch. 12.4 - How Much Genes Influence Athletic Prowess?
Ch. 12.4 - explain what mutations are and how they occur?Ch. 12.4 - explain why mutations are rare?Ch. 12.4 - describe the different types of mutations?Ch. 12.4 - Prob. 1TCCh. 12 - If a parental DNA strand has the base sequence...Ch. 12 - Prob. 2MCCh. 12 - Prob. 3MCCh. 12 - The rungs of the DNA double helix consist of a....Ch. 12 - Prob. 5MCCh. 12 - Prob. 1FIBCh. 12 - Prob. 2FIBCh. 12 - Prob. 3FIBCh. 12 - Prob. 4FIBCh. 12 - Prob. 5FIBCh. 12 - Prob. 6FIBCh. 12 - Prob. 1RQCh. 12 - Prob. 2RQCh. 12 - Describe the structure of DNA. Where are the...Ch. 12 - Prob. 4RQCh. 12 - Describe the process of DNA replication.Ch. 12 - How do mutations occur? Describe the principal...Ch. 12 - Prob. 1ACCh. 12 - Genetic information is encoded in the sequence of...
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- Define the life cycle of one type of bacteriophage ?arrow_forwardDeamination of adenine results in the formation of hypoxanthine. Hypoxanthine selectively base pairs with cytosine. If this error is not corrected, what base pair can the original A·T base pair be converted to after cycles of DNA replication?a) G·C b) C·G c) T·A d) A·Garrow_forwardA particular variant of the lambda bacteriophage has a DNA double-stranded genome of 51,365 base pairs. How long would this DNA be?arrow_forward
- Describe the activities of the enzymes required to construct a recombinant DNA molecule.arrow_forwardXeroderma pigmentosum is a genetic disease caused by an error in the nucleotide excision repair process that fixes damage to DNA by ultraviolet light. Studies have shown that it can result from mutations in any one of seven genes. What can you infer from this finding? A) There are seven genes that produce the same protein B) These seven genes are the most easily damaged by ultraviolet light. C) There are seven enzymes involved in the nucleotide excision repair process. D) These mutations have resulted from translocation of gene segments.arrow_forwardDescribe how each of the following bacteriophages M13, G4 and X174 initate replication.arrow_forward
- a) Under normal conditions E. coli produces three DNA polymerases. State their functional similarities and differences. b) List the other proteins and enzymes involved in DNA replication in E.coli and give their functions.arrow_forwardA DNA polymerase enzyme inherently incorporates an incorrect nucleotide at a low but measurable rate. Such a mutation is termed _______. A) spontaneous B) lysogenic C) transformative D) transductive E) inducedarrow_forwardBriefly explain how bacteriophages can transduce genes between bacteria.arrow_forward
- Describe the structural features of DNA that enable it to be replicated.arrow_forwardIn Oswald Avery experiment, two strains of pneumococcus bacteria were used to infect mice. Explain how the experiment discovered that DNA is the transformation agent.arrow_forwardThe genes for both the α- and βglobin chains of hemoglobin contain introns (i.e., they are split genes). How would this fact affect your plans if you wanted to introduce the gene for α-globin into a bacterial plasmid and have the bacteria produce α-globin?arrow_forward
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