BIOLOGY
4th Edition
ISBN: 9781266739606
Author: Hoefnagels
Publisher: MCG
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Textbook Question
Chapter 7, Problem 1WIO
Explain how Griffith’s experiment and Avery, Macleod, and McCarty’s experiment determined that DNA in bacteria transmits a trait that kills mice.
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Chapter 7 Solutions
BIOLOGY
Ch. 7.1 - How did Griffiths research, coupled with the work...Ch. 7.1 - How did the Hershey-Chase blender experiments...Ch. 7.2 - What are the components of DNA and its...Ch. 7.2 - What evidence enabled Watson and Crick to decipher...Ch. 7.2 - Prob. 3MCCh. 7.3 - What is the relationship between a gene and a...Ch. 7.3 - Prob. 2MCCh. 7.3 - What are the three types of RNA, and how does each...Ch. 7.4 - What happens during each stage of transcription?Ch. 7.4 - Where in the cell does transcription occur?
Ch. 7.4 - What is the role of RNA polymerase in...Ch. 7.4 - What are the roles of the promoter and terminator...Ch. 7.4 - How is mRNA modified before it leaves the nucleus...Ch. 7.5 - How did researchers determine that the genetic...Ch. 7.5 - What happens in each stage of translation?Ch. 7.5 - Where in the cell does translation occur?Ch. 7.5 - How are polypeptides modified after translation?Ch. 7.6 - What are some reasons that cells regulate gene...Ch. 7.6 - Prob. 2MCCh. 7.6 - Prob. 3MCCh. 7.6 - Prob. 4MCCh. 7.7 - What is a mutation?Ch. 7.7 - What are the types of mutations, and how does each...Ch. 7.7 - Prob. 3MCCh. 7.7 - Prob. 4MCCh. 7.7 - How are mutations important?Ch. 7.8 - What question about the FOXP2 gene were the...Ch. 7.8 - What insights could scientists gain by...Ch. 7 - A nucleotide is composed of all of the following...Ch. 7 - Prob. 2MCQCh. 7 - Transcription copies a _______ to a complementary...Ch. 7 - Choose the DNA sequence from which this mRNA...Ch. 7 - Prob. 5MCQCh. 7 - Prob. 6MCQCh. 7 - How does the lac operon regulate lactose digestion...Ch. 7 - Prob. 8MCQCh. 7 - Prob. 9MCQCh. 7 - Prob. 10MCQCh. 7 - Explain how Griffiths experiment and Avery,...Ch. 7 - Prob. 2WIOCh. 7 - Prob. 3WIOCh. 7 - Put the following in order from smallest to...Ch. 7 - Prob. 5WIOCh. 7 - List the three major types of RNA and their...Ch. 7 - Some people compare DNA to a blueprint stored in...Ch. 7 - Prob. 8WIOCh. 7 - Prob. 9WIOCh. 7 - If a protein is 1259 amino acids long, what is the...Ch. 7 - The amount of melanin in the skin is controlled by...Ch. 7 - The roundworm C. elegans has 556 cells when it...Ch. 7 - Refer to the figure to answer these questions: a....Ch. 7 - A protein-encoding region of a gene has the...Ch. 7 - Explain how a mutation in a protein-encoding gene,...Ch. 7 - Describe the mutation shown in figure 7.27 and...Ch. 7 - Parkinson disease causes rigidity, tremors, and...Ch. 7 - Prob. 18WIOCh. 7 - Refer to figure 7.28 and the chapter con tent to...Ch. 7 - Prob. 2PITCh. 7 - Prob. 3PITCh. 7 - Prob. 4PIT
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- In detail explain the experiment that helped Hershey and Chase recognize DNA as a genetic materialarrow_forwardExplain how Avery-MacLeod-McCarty experiment discovered that DNA is the genetic material.arrow_forwardWhich of the following inspired Avery and his colleagues to perform the experiments demonstrating that the transforming factor in bacteria is DNA? (a) that A is equal to T and that G is equal to C (b) Watson and Crick’s model of DNA structure (c) Meselson and Stahl’s studies on DNA replication in E. coli (d) Griffith’s experiments on smooth and rough strains of pneumococci (e) Hershey and Chase’s experiments on the reproduction of bacteriophagesarrow_forward
- Given the state of knowledge at the time of the Avery, MacLeod,and McCarty experiment, why was it difficult for some scientiststo accept that DNA is the carrier of genetic information?arrow_forwardWhat results would you expect if the bacteriophage that Hershey and Chase used in their experiment had contained RNA instead of DNA?arrow_forwardShow the herchey-chase experiment?arrow_forward
- One experiment that showed the DNA carried genetic information was the "Transformation" experiment by Avery, McCarty, and MacLeod where they injected mice with non-pathogenetic bacteria that had been incubated in the remains of pathogenic bacteria. What did they find when they incubated non-pathogenic bacteria in just the protein from the pathogenic bacteria? In this case there was no transformation They found that the non-pathogenic bacteria were transformed into pathogenic bacteria In this case the mice were sickened but did not die They found that some of the protein could cause transformation but other proteins could notarrow_forwardwhat are the CONTRIBUTIONS OF OSWALD AVERY AND FEDERICK GRIFFITH TO THE DISCOVERY OF DNA? what are their other accomplishments?arrow_forwardDid Hershey and Chase overcome objections to Avery et al.’s claim that DNA, not protein, was the genetic material? How was the choice of a bacteriophage by Hershey and Chase a way to avoid problems with earlier bacterial transformation experiments?arrow_forward
- Using sickle cell as an example, give a detailed description of how the effects of a base substitution can be traced from DNA level to the level of the whole organism.arrow_forwardAll of the following are true about the design of the Beadle and Tatum experiment (one gene one polypeptide) EXCEPT: A. Used X-rays to generate auxotrophs B. Depended on the use of the bacteria, N. crassa C. Examined the way in which amino acid biosynthesis occurs D. Added nutrient intermediates to rescue lethal mutations included the study of conditional mutants E. Led to the one-gene-one polypeptide hypothesis.arrow_forwardIn 1944, what did he discover that DNA is responsible for?arrow_forward
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