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Chapter 9 Quiz



This activity contains 30 questions.

Question 1
1
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Identify the research that first provided the basis for the following statement: DNA is the genetic material.
 
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Question 2
2
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An interpretation of Griffith's experiments is that _____.
 
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Question 3
3
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DNA structure can be described as a twisted ladder. Imagine you are climbing a model of DNA, just as if you were climbing a ladder. What parts of a nucleotide are your feet touching as you climb?
 
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Question 4
4
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Human chromosomes range in size dramatically, with the smallest (sex chromosome Y) being many times smaller than the largest (autosomal chromosome 1). What is responsible for determining the size of a chromosome?
 
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Question 5
5
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Imagine that you are studying a newly discovered bacterium from a hot springs in Yellowstone National Park. When you examine the nucleotide composition of this organism, you find that 10% of the nucleotides in its DNA are adenine (A). What percentage of nucleotides are guanine? Explain.
 
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Question 6
6
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Which one of the following statements is true of the sugar-phosphate backbone of DNA?
 
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Question 7
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In a DNA helix, all of the following are true except _____.
 
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Question 8
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Information in DNA is carried in _____.
 
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Question 9
9
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Multiple replication bubbles on a single eukaryotic chromosome _____.
 
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Question 10
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DNA polymerase _____.
 
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Question 11
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DNA ligase has all of the functions listed below except _____.
 
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Question 12
12
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Which of the following statements is false?
 
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Question 13
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The purpose of DNA replication is to produce _____.
 
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Question 14
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Which of the following can cause errors to accumulate in DNA?
 
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Question 15
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What is the approximate error rate for DNA polymerase?
 
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Question 16
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Before it was actually determined, many scientists had trouble believing that DNA was the genetic material. This is most likely because _____.
 
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Question 17
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How can a cell, killed by heat in order to render it harmless, somehow still act to transform a second strain of bacteria from a noninfectious form into a disease carrier (i.e., a pathogen)?
 
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Question 18
18
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The structure of DNA explained Chargaff's observations because _____.
 
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Question 19
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The two strands of DNA that make up a double helix _____.
 
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Question 20
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Consider the backbone of the DNA double helix. Which statement is not true?
 
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Question 21
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The sugars and phosphates in the "backbone" of a DNA strand are held together by _____.
 
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Question 22
22
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The two strands of a DNA double helix are held together by _____.
 
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Question 23
23
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Which of the following lists the correct order of events in DNA replication?
 
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Question 24
24
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Which of the following events occur within a DNA replication bubble?
 
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Question 25
25
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Which of the following options would result from the actions of DNA polymerase during DNA replication?
 
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Question 26
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Replication bubbles _____.
 
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Question 27
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The correct nucleotides to be added to the new DNA strand are determined by _____.
 
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Question 28
28
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DNA replication is a semiconservative process because _____.
 
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Question 29
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What is the approximate error rate for all of DNA replication?
 
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Question 30
30
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Which of the following can be caused by ultraviolet radiation in sunlight?
 
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