Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 14, Problem 4RQ
If DNA of a particular species was analyzed and it was found that it contains 27 percent A, what would be the percentage of C?
- 27 percent
- 30 percent
- 23 percent
- 54 percent
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If DNA of a particular species was analyzed and it was found that it contains 27 percent A, what would be the percentage of C
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Chapter 14 Solutions
Biology 2e
Ch. 14 - Figure 14.10 In eukaryotic cells, DNA and RNA...Ch. 14 - Figure 14.14 You isolate a cell strain in which...Ch. 14 - Figure 14.21 A fr am eshift mutation that results...Ch. 14 - If DNA of a particular species was analyzed and it...Ch. 14 - The experiments by Hershey and Chase helped...Ch. 14 - Bacterial transformation is a major concern in...Ch. 14 - DNA double helix does not have which of the...Ch. 14 - In eukaryotes, what is the DNA wrapped around?...Ch. 14 - Meselson and Stahl's experiments proved that DNA...Ch. 14 - If the sequence of the 5'-3' strand is AATGCTAC,...
Ch. 14 - How did Meselson and Stahl support Watson and...Ch. 14 - Which of the following components is not involved...Ch. 14 - Which of the following does the enzyme primase...Ch. 14 - In which direction does DNA replication take...Ch. 14 - A scientist randomly mutates the DNA of a...Ch. 14 - The ends of the linear chromosomes are maintained...Ch. 14 - Which of the following is not a true statement...Ch. 14 - During proofreading, which of the following...Ch. 14 - The initial mechanism for repairing nucleotide...Ch. 14 - A scientist creates fruit fly larvae with a...Ch. 14 - Explain Griffith's transformation experiments What...Ch. 14 - Why were radioactive sulfur and phosphorous used...Ch. 14 - When Chargaffwas performing his experiments, the...Ch. 14 - Provide a brief summary of the Sanger sequencing...Ch. 14 - Describe the structure and complementary base...Ch. 14 - Prokaryotes have a single circular chromosome...Ch. 14 - How did the scientific community learn that DNA...Ch. 14 - Imagine the Meselson and Stahl experiments had...Ch. 14 - DNA replication is bidirectional and...Ch. 14 - What are Okazaki fragments and how they are...Ch. 14 - If the rate of replication in a particular...Ch. 14 - Explain the events taking place at the replication...Ch. 14 - What is the role of a primer in DNA replication?...Ch. 14 - Quinolone antibiotics treat bacterial infections...Ch. 14 - How do the linear chromosomes in eukaryotes ensure...Ch. 14 - What is the consequence of mutation of a mismatch...Ch. 14 - An adult with a history of tanning has his genome...
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- Chargaff studied the composition of DNA from different sources and found thata. the number of phosphate groups always equals the number of five-carbon sugars.b. the proportions of A equal that of C and G equals T.c. the proportions of A equal that of T and G equals C.d. the proportions of deoxyribose equal that of ribose.arrow_forwardWhich of the following regions of a genome would be most likely to be a SINGLE CRE? A. A section of DNA that is 10 base pairs long B. A section of DNA that is 50 base pairs long C. A section of DNA that is 200 base pairs long D. A section of DNA that is 1500 base pairs longarrow_forwardIn general, which part of a DNA sequence will have the best quality? (Ex. Beginning, middle, end?) Why?arrow_forward
- Suppose you had a method of cutting DNA at specific sequences of nucleotides. how many nucleotides long (on average) would such a sequence have to be in order to make just one cut in a bacterial genome of 3 × 106 nucleotide pairs?arrow_forwardThe following question is related to Restriction Enzymes and RFLP. Using EcoRl, how many fragments were PRODUCED in DNA sequence A? A.) 2 B.) 3 C.) 4arrow_forwardIn figure 10.16 , how would the curve appear if the GC content of the DNA sample were increased? How would the curve appear if the AT content were increased?arrow_forward
- Which of the following statements is false?a) BAC is a circular DNA moleculeb) YAC is a linear DNA moleculec) Taql is a DNA polymerased) BAC is a linear DNA moleculearrow_forwardDNA fragments that are 500 bp, 1000 bp, and 2000 bp in length are separated by gel electrophoresis. Which fragment will migrate farthest in the gel? a. The 2000-bp fragment b. The 1000-bp fragment c. The 500-bp fragment d. All will migrate equal distances.arrow_forwardIn 1950, using “blender” experiment, Hershey and Chase demonstrated that DNA, not protein, is the genetic material. They labeled proteins with radioactive phosphorus and nucleic acids with radioactive sulfur. A. Both statement is correct B. Both statement is incorrect C. Statement 1 is correct. Statement 2 is incorrect D. Statement 2 is correct. Statement 1 is incorrectarrow_forward
- What is the first genetic material? A) M-DNA B) R-DNA. C) RNA.arrow_forwardA DNA molecule consists of 500 nitrogenous bases, of which 150 are G bases. So, the percentage of nitrogenous base T is equal to? choose the correct answer A)20% B)30% C)40% D)60%arrow_forwardSuppose that you are given a short fragment of DNA to sequence. You amplify the fragment with PCR and set up a series of four dideoxy reactions. You then separate the products of the reactions by gel electrophoresis and obtain the following banding pattern: Write out the base sequence of the original fragment that you were given. Original sequence: 5′– ________________–3′arrow_forward
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