Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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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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Electrophoresis separates fragments of DNA according to_____ . a. sequence b. length c. species
The enzyme ________ separates the TWO DNA strands of the double helix.
a.
helicase
b.
ligase
c.
polymerase
Choose 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 easier
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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- Choose 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_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_forwardChoose the combination of answers that most accurately completes the statement.Which of the following is not essential to carry out the polymerase chain reaction? a. primers c. gel electrophoresis b. DNA polymerase d. high temperaturearrow_forward
- A DNA probe with sequence TCAGGCTTCAG would bind most strongly to which of the following DNA fragments? a. AGTCCGAAGTC c. GACTTCGGACT b. TCAGGCTTCAG d. UGAGGCUUGAGarrow_forwardChoose the combination of answers that most accurately completes the statement.Which of the following is not a part of the Sanger method to sequence DNA? a. dideoxynucleotides c. electrophoresis b. DNA polymerase d. reverse transcriptasearrow_forwardA new type of nucleic acid molecule is found have a base composition of 29% adenine, 19% thymine, 21% cytosine and 31% guanine. The molecule is probably: a. single stranded DNA b. double stranded RNA c. double stranded DNA d. single stranded RNAarrow_forward
- Franklin and Wilkins made diffraction patterns of DNA using ___. A. X-ray crystallography B. microscopes C. electron microscopy D. X-ray microscopyarrow_forwardWhich of the folllowing is the term used for ultra compact form of DNA coiling? a. supercoiling b.metacoiling c. ultracoiling d. telephone coilingarrow_forwardType of DNA spontaneous mutation that can explain why uracil is not found in DNA a.depurination b.methylation c. oxidation d.deaminationarrow_forward
- The main function of a DNA molecule is to______ . a. store heritable information b. carry a translatable message c. form peptide bonds between amino acidsarrow_forwardLinkage analysis ________. A. is used to create a physical map B. Involves breaking and rejoining of DNA artificially (incorrect) C. Requires radiation hybrid mapping D. Is based on natural recombination process thank you in advance for your help!arrow_forward_____ cut(s) DNA molecules at specific sites. a. DNA polymerase c. Restriction enzymes b. DNA probes d. Reverse transcriptasearrow_forward
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