Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Textbook Question
Chapter 12.1, Problem 2TC
If viral genetic material had the same structure as eukaryote chromosomes, would the Hershey-Chase experiment have succeeded? Why or why not?
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Students have asked these similar questions
If RNA were the universal genetic material, how would this have affected the Avery experiment and the Hershey–Chase experiment?
Does the design of the Hershey–Chase experiment distinguish between DNA and RNA as the molecule serving as the genetic material? Why or why not?
There are 6 parts to this question: This is a follow up to the prior question regarding
the replication of the DNA strand below.
The DNA strand is here for your reference and you do not need to do anything with or
to it.
TC GATATCGG
AGCTATAGCC
c) what enzyme separated the parental DNA template strands,
d) what bonds were broken?
e) what enzyme replicates DNA
f) before DNA can be replicated/copied, what must be laid down to allow the enzyme
in "e" to replicated the DNA (be specific)?
g) our DNA is replicated in many "pieces", what enzyme connects these many "pieces"
into one continuous DNA strand that becomes the sister chromatid?
h) during what specific phase of the cell cycle does this DNA replication process
occur? (This should be a review question from last topics we covered).
Chapter 12 Solutions
Biology
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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- What did the Watson–Crick model suggest about the replication of DNA?arrow_forwardIf the rate of replication in a particular prokaryote is 900 nucleotides per second, how long would it take 1.2 million base pair genomes to make two copies?arrow_forwardWhen the Oxford team of Ernst Chain and Nor- man Heatley had laboriously collected their first two grams of penicillin (probably no more than 2% pure!), Chain injected two normal mice with 1 g each of this preparation, and waited to see what would happen. The mice survived with no apparent ill effects. Their boss, Howard Florey, was furious at what he saw as a waste of good antibiotic. Why was this experiment important?arrow_forward
- Suppose the experiment of Meselson and Stahl was performed on a sample of 8 cells, each containing one copy of its circular double-stranded DNA genome, and that had been growing on normal 14N medium. You then grew the cells for 3 generations in medium containing 15N. The outcome would be A) 8 cells with single-stranded DNA molecules with 14N, and 24 cells with single-stranded DNA molecules with 15N. B) 16 cells with double-stranded DNA molecules with equal amounts of 14N and 15N, and 48 cells with double-stranded DNA molecules with 15N. C) 8 cells with double-stranded DNA molecules with equal amounts of 14N and 15N, and 24 cells with double-stranded DNA molecules with 15N. D) 8 cells with double-stranded DNA molecules with equal amounts of 14N and 15N, and 32 cells with double-stranded DNA molecules with 15N. E) 65 cells with single-stranded DNA molecules with 15N.arrow_forwardWhat is the meaning of conjugation in biology?arrow_forwardYou have isolated a new bacteriophage and determined that the composition of its is nucleic acid is 17% A, 26% C, 34% G, and 23% T. What would you conclude about its genome? (One sentence, please)arrow_forward
- A major difference between prokaryotes and eukaryotes is the presence of a nucleus. What advantages and disadvantages may occur with having a cell’s genome packaged in a nucleus?arrow_forwardIn 1953, Watson and Crick discovered the structure of DNADNA by examining data from many different experiments. How did using Chargaff’s data help Watson and Crick determine the structure of DNADNA?arrow_forwardNeema wants to determine whether or not the nucleus of a cell differs in the chemical compounds they contain or not from species to species. She is planning on working with the nucleus of a human and the nucleus of a mouse. She has removed all of the DNA from each nucleus, then has selected and isolated one DNA fragment from each species. What results can Neema expect if she takes the human DNA fragment and inserts it into the mouse nucleus and then inserts the mouse DNA fragment into the human nucleus? Use your knowledge of DNA replication to answer.arrow_forward
- Which 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_forwardWhat was the only conclusion that John Cairns could draw from his 1963 paper "The bacterial chromosome and its manner of replication as seen by autoradiography" ? Replication in E. coli is bidirectional Replication in E. coli is discontinuous E. coli has a circular chromosome E. coli has a single origin of replicationarrow_forwarda) If you isolated DNA from the ear and the tail of the same mouse, would you expect the DNA, isolated from the two tissue types, to be the same? Why? b) Provide one difference between DNA replication in eukaryotes and prokaryotes with regard to their origin (s) of replication.arrow_forward
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