Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337670319
Author: STARR
Publisher: Cengage
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Chapter 15, Problem 7SQ
Summary Introduction
Introduction: Electrophoresis is a technique that is used to separate molecules based on their sizes.
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Franklin and Wilkins made diffraction patterns of DNA using ___.
A. X-ray crystallography
B. microscopes
C. electron microscopy
D. X-ray microscopy
Electrophoresis separates fragments of DNA according to_____ . a. sequence b. length c. species
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? a. 27 percent b. 30 percent c. 23 percent d. 54 percent
Chapter 15 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 15 - Enhanced Spatial Learning Ability in Mice...Ch. 15 - Enhanced Spatial Learning Ability in Mice...Ch. 15 - Prob. 3DAACh. 15 - Prob. 4DAACh. 15 - _________ cut(s) DNA molecules at specific sites....Ch. 15 - Prob. 2SQCh. 15 - Prob. 3SQCh. 15 - For each species, all ________ in the complete set...Ch. 15 - A set of cells that host various DNA fragments...Ch. 15 - Prob. 6SQ
Ch. 15 - Prob. 7SQCh. 15 - Prob. 8SQCh. 15 - Prob. 9SQCh. 15 - Prob. 10SQCh. 15 - A transgenic organism _______. a. carries a gene...Ch. 15 - True or false? Some transgenic organisms can pass...Ch. 15 - Taq polymerase is used for PCR because it _______....Ch. 15 - _____ can correct a genetic defect in an...Ch. 15 - Match each term with the most suitable...Ch. 15 - Match the method with the appropriate enzyme....Ch. 15 - Prob. 1CTCh. 15 - Restriction enzymes in bacterial cytoplasm cut...Ch. 15 - The results of a paternity test using short tandem...
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- Based on what you already know, explain two reasons why is it important for scientists to beable to remove DNA from an organism? Keep in mind that an organism includes any livingthing, from bacteria to humans.arrow_forwardChoose the combination of answers that most accurately completes the statement. Why must the lagging strand of DNA be replicated in short pieces? a. because of limited space b. otherwise, the helix will become distorted c. the DNA polymerase can synthesize in only one direction d. to make proofreading of code easierarrow_forwardChoose the combination of answers that most accurately completes the statement.Why must the lagging strand of DNA be replicated in short pieces? a. because of limited space b. otherwise, the helix will become distorted c. the DNA polymerase can synthesize in only one direction d. to make proofreading of code easierarrow_forward
- DNA fingerprinting analyzes the DNA from individuals on the basis of the occurrence of in their genomes. a. repetitive sequences b. abnormalities in chromosome structure c. specific genes d. viral insertionsarrow_forwardWhat was the first, DNA or RNA? Justify your answer with solid reasonarrow_forwarda. Explain why the PCR is unlikely to amplify contaminatingbacterial DNA in a sample of human DNA. b. Explain how PCR could be used to pick a gene out of a complexgenome and amplify it.arrow_forward
- Which type of cells were used to extract the DNA that was sequenced? a. red blood cells c. white blood cells b. intestinal epithelium d. cheek swab What type of mutation caused Nicholas’s disease? a. frameshift c. nonsense b. missense d. insertionarrow_forwardPlace the steps of sanger sequencing in order.A. A fluorescent laser excites the fragments and records the wavelength consistent with a single nucleotide. B. ddNTPs bind and stop chain extension.C. DNA fragments are separated by size through a capillary tube. D. DNA polymerase copies the target region of template DNA.E. The final nucleotide of each fragment is labeled with a fluorescent tag.arrow_forwardWhich of the following is FALSE about current Sanger dideoxy DNA sequencing procedures? a. Chain termination occurs during synthesis of a new DNA strand. b. Many steps can be automated. c. No DNA is synthesized in the procedure. d. Fluorescent molecules can be used to detect the DNA.arrow_forward
- Suppose a region of DNA is 100 bp long. How many unique sequences could it potentially represent? A) 1004 B) 4100 C) 400 D) 4,000 E) 10,000arrow_forwardPolymerase Chain Reaction, or PCR, can Group of answer choices A. target a specific region of DNA and cut it out of the rest of the genetic material for further analysis. B. copy the number of copies of a selected region of DNA linearly. C. increase the number of copies of a selected region of DNA exponentially. D. copy the entire genome at least a dozen times.arrow_forwardIf DNA of a particular species was analyzed and it was found that it contains 27 percent A, what would be the percentage of Carrow_forward
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